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16109125332 = 2231399657749
BaseRepresentation
bin11110000000010110…
…11011111011010100
31112120200011100121120
433000023123323110
5230442414002312
611222254243540
71110125206656
oct170013337324
945520140546
1016109125332
1169171aa323
123156ab65b0
131699573431
14acb65a6d6
1564439e28c
hex3c02dbed4

16109125332 has 24 divisors (see below), whose sum is σ = 37858380000. Its totient is φ = 5331076896.

The previous prime is 16109125313. The next prime is 16109125337. The reversal of 16109125332 is 23352190161.

It is a super-2 number, since 2×161091253322 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16109125293 and 16109125302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16109125337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4827207 + ... + 4830542.

It is an arithmetic number, because the mean of its divisors is an integer number (1577432500).

Almost surely, 216109125332 is an apocalyptic number.

16109125332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16109125332 is an abundant number, since it is smaller than the sum of its proper divisors (21749254668).

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

16109125332 is a wasteful number, since it uses less digits than its factorization.

16109125332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9657895 (or 9657893 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The spelling of 16109125332 in words is "sixteen billion, one hundred nine million, one hundred twenty-five thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 139 278 417 556 834 1668 9657749 19315498 28973247 38630996 57946494 115892988 1342427111 2684854222 4027281333 5369708444 8054562666 16109125332