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30001311021300 = 22352531886874907
BaseRepresentation
bin1101101001001001110010…
…11111000111100011110100
310221020002121221121112121120
412310210321133013203310
512413020141110140200
6143450224554543540
76214344312031563
oct664447137074364
9127202557545546
1030001311021300
119617536a36833
123446556437bb0
13139815ac358b8
1475a0dd539bda
15370609e449a0
hex1b49397c78f4

30001311021300 has 72 divisors (see below), whose sum is σ = 88441600687776. Its totient is φ = 7849399608960.

The previous prime is 30001311021197. The next prime is 30001311021307. The reversal of 30001311021300 is 312011310003.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30001311021300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30001311021307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 943421554 + ... + 943453353.

It is an arithmetic number, because the mean of its divisors is an integer number (1228355565108).

Almost surely, 230001311021300 is an apocalyptic number.

30001311021300 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30001311021300 is an abundant number, since it is smaller than the sum of its proper divisors (58440289666476).

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

30001311021300 is a wasteful number, since it uses less digits than its factorization.

30001311021300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886874977 (or 1886874970 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 30001311021300 its reverse (312011310003), we get a palindrome (30313322331303).

The spelling of 30001311021300 in words is "thirty trillion, one billion, three hundred eleven million, twenty-one thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 53 60 75 100 106 150 159 212 265 300 318 530 636 795 1060 1325 1590 2650 3180 3975 5300 7950 15900 1886874907 3773749814 5660624721 7547499628 9434374535 11321249442 18868749070 22642498884 28303123605 37737498140 47171872675 56606247210 94343745350 100004370071 113212494420 141515618025 188687490700 200008740142 283031236050 300013110213 400017480284 500021850355 566062472100 600026220426 1000043700710 1200052440852 1500065551065 2000087401420 2500109251775 3000131102130 5000218503550 6000262204260 7500327755325 10000437007100 15000655510650 30001311021300