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1300012031310 = 23571610334287
BaseRepresentation
bin10010111010101110110…
…000010101110101001110
311121021120001222201002020
4102322232300111311032
5132244411040000220
62433114533311010
7162631336641156
oct22725660256516
94537501881066
101300012031310
1146137199a523
1218bb4b495466
139578a74a765
1446cc6ddb766
1523c3a000040
hex12eaec15d4e

1300012031310 has 32 divisors (see below), whose sum is σ = 3163972948992. Its totient is φ = 341787200160.

The previous prime is 1300012031309. The next prime is 1300012031419. The reversal of 1300012031310 is 131302100031.

It is a super-2 number, since 2×13000120313102 (a number of 25 digits) contains 22 as substring.

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 1300012031310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305165014 + ... + 305169273.

It is an arithmetic number, because the mean of its divisors is an integer number (98874154656).

Almost surely, 21300012031310 is an apocalyptic number.

1300012031310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1300012031310 is an abundant number, since it is smaller than the sum of its proper divisors (1863960917682).

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

1300012031310 is a wasteful number, since it uses less digits than its factorization.

1300012031310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610334368.

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

Adding to 1300012031310 its reverse (131302100031), we get a palindrome (1431314131341).

The spelling of 1300012031310 in words is "one trillion, three hundred billion, twelve million, thirty-one thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 71 142 213 355 426 710 1065 2130 610334287 1220668574 1831002861 3051671435 3662005722 6103342870 9155014305 18310028610 43333734377 86667468754 130001203131 216668671885 260002406262 433337343770 650006015655 1300012031310