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3100421521245 = 35661312700103
BaseRepresentation
bin101101000111011111100…
…001011111111101011101
3101222101201201002010010210
4231013133201133331131
5401244130402134440
610332151453123033
7436666223050356
oct55073741377535
911871651063123
103100421521245
11a95977136a44
12420a70a89479
131964a37778a9
14aa0bdd20d2d
15559b0993a80
hex2d1df85ff5d

3100421521245 has 16 divisors (see below), whose sum is σ = 4968179252352. Its totient is φ = 1651056538560.

The previous prime is 3100421521217. The next prime is 3100421521271. The reversal of 3100421521245 is 5421251240013.

It is not a de Polignac number, because 3100421521245 - 216 = 3100421455709 is a prime.

It is a super-2 number, since 2×31004215212452 (a number of 26 digits) contains 22 as substring.

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, 156340137 + ... + 156359966.

It is an arithmetic number, because the mean of its divisors is an integer number (310511203272).

Almost surely, 23100421521245 is an apocalyptic number.

It is an amenable number.

3100421521245 is a deficient number, since it is larger than the sum of its proper divisors (1867757731107).

3100421521245 is a wasteful number, since it uses less digits than its factorization.

3100421521245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312700772.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 3100421521245 its reverse (5421251240013), we get a palindrome (8521672761258).

The spelling of 3100421521245 in words is "three trillion, one hundred billion, four hundred twenty-one million, five hundred twenty-one thousand, two hundred forty-five".

Divisors: 1 3 5 15 661 1983 3305 9915 312700103 938100309 1563500515 4690501545 206694768083 620084304249 1033473840415 3100421521245