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1304434321300 = 22521110148724109
BaseRepresentation
bin10010111110110110010…
…110000010011110010100
311121200222021022022111101
4102332312112002132110
5132332440141240200
62435125430315444
7163146045533665
oct22766626023624
94550867268441
101304434321300
11463231193440
121909844b8b84
13960139b62b6
14471c647936c
1523de838d26a
hex12fb6582794

1304434321300 has 144 divisors (see below), whose sum is σ = 3125058733440. Its totient is φ = 468659520000.

The previous prime is 1304434321279. The next prime is 1304434321301. The reversal of 1304434321300 is 31234344031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304434321301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54093646 + ... + 54117754.

It is an arithmetic number, because the mean of its divisors is an integer number (21701796760).

Almost surely, 21304434321300 is an apocalyptic number.

1304434321300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1304434321300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1562529366720).

1304434321300 is an abundant number, since it is smaller than the sum of its proper divisors (1820624412140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1304434321300 is a wasteful number, since it uses less digits than its factorization.

1304434321300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24722 (or 24715 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 1304434321300 its reverse (31234344031), we get a palindrome (1335668665331).

The spelling of 1304434321300 in words is "one trillion, three hundred four billion, four hundred thirty-four million, three hundred twenty-one thousand, three hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 101 110 202 220 275 404 487 505 550 974 1010 1100 1111 1948 2020 2222 2435 2525 4444 4870 5050 5357 5555 9740 10100 10714 11110 12175 21428 22220 24109 24350 26785 27775 48218 48700 49187 53570 55550 96436 98374 107140 111100 120545 133925 196748 241090 245935 265199 267850 482180 491870 530398 535700 541057 602725 983740 1060796 1082114 1205450 1229675 1325995 2164228 2410900 2435009 2459350 2651990 2705285 4870018 4918700 5303980 5410570 6629975 9740036 10821140 11741083 12175045 13259950 13526425 23482166 24350090 26519900 26785099 27052850 46964332 48700180 53570198 54105700 58705415 60875225 107140396 117410830 121750450 129151913 133925495 234821660 243500900 258303826 267850990 293527075 516607652 535701980 587054150 645759565 669627475 1174108300 1185849383 1291519130 1339254950 2371698766 2583038260 2678509900 3228797825 4743397532 5929246915 6457595650 11858493830 12915191300 13044343213 23716987660 26088686426 29646234575 52177372852 59292469150 65221716065 118584938300 130443432130 260886864260 326108580325 652217160650 1304434321300