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11944984956 = 2232357797489
BaseRepresentation
bin10110001111111101…
…00000000101111100
31010211110121002220020
423013332200011330
5143430404004311
65253142252140
7602002461012
oct130776400574
933743532806
1011944984956
11507a6a5aa3
122394427050
131184941848
148145ba8b2
1549da04c06
hex2c7fa017c

11944984956 has 48 divisors (see below), whose sum is σ = 29092358400. Its totient is φ = 3807378432.

The previous prime is 11944984871. The next prime is 11944984993. The reversal of 11944984956 is 65948944911.

It is a self number, because there is not a number n which added to its sum of digits gives 11944984956.

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, 1591260 + ... + 1598748.

It is an arithmetic number, because the mean of its divisors is an integer number (606090800).

Almost surely, 211944984956 is an apocalyptic number.

It is an amenable number.

11944984956 is an abundant number, since it is smaller than the sum of its proper divisors (17147373444).

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

11944984956 is a wasteful number, since it uses less digits than its factorization.

11944984956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13298 (or 13296 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 60.

The spelling of 11944984956 in words is "eleven billion, nine hundred forty-four million, nine hundred eighty-four thousand, nine hundred fifty-six".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 5779 7489 11558 14978 17337 22467 23116 29956 34674 44934 69348 89868 132917 172247 265834 344494 398751 516741 531668 688988 797502 1033482 1595004 2066964 43278931 86557862 129836793 173115724 259673586 519347172 995415413 1990830826 2986246239 3981661652 5972492478 11944984956