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11837007072 = 2532113736429
BaseRepresentation
bin10110000011000101…
…00110010011100000
31010112221102021002100
423001202212103200
5143220233211242
65234324050400
7566221620462
oct130142462340
933487367070
1011837007072
115024755680
122364233a00
1311684669c7
14804110132
154942c654c
hex2c18a64e0

11837007072 has 72 divisors (see below), whose sum is σ = 36721634040. Its totient is φ = 3586970880.

The previous prime is 11837007037. The next prime is 11837007137. The reversal of 11837007072 is 27070073811.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×118370070722 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1865047 + ... + 1871382.

It is an arithmetic number, because the mean of its divisors is an integer number (510022695).

Almost surely, 211837007072 is an apocalyptic number.

11837007072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11837007072 is an abundant number, since it is smaller than the sum of its proper divisors (24884626968).

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

11837007072 is a wasteful number, since it uses less digits than its factorization.

11837007072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3736456 (or 3736445 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 36.

The spelling of 11837007072 in words is "eleven billion, eight hundred thirty-seven million, seven thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 66 72 88 96 99 132 144 176 198 264 288 352 396 528 792 1056 1584 3168 3736429 7472858 11209287 14945716 22418574 29891432 33627861 41100719 44837148 59782864 67255722 82201438 89674296 119565728 123302157 134511444 164402876 179348592 246604314 269022888 328805752 358697184 369906471 493208628 538045776 657611504 739812942 986417256 1076091552 1315223008 1479625884 1972834512 2959251768 3945669024 5918503536 11837007072