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16123030560 = 25365731331
BaseRepresentation
bin11110000010000000…
…11110110000100000
31112121122022211000000
433001000132300200
5231004443434220
611223512300000
71110354333000
oct170100366040
945548284000
1016123030560
11692403754a
12315b6a1600
13169c401690
14acd43a000
156456e9390
hex3c101ec20

16123030560 has 1344 divisors, whose sum is σ = 74037196800. Its totient is φ = 3292047360.

The previous prime is 16123030543. The next prime is 16123030579. The reversal of 16123030560 is 6503032161.

It is a super-2 number, since 2×161230305602 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 520097745 + ... + 520097775.

It is an arithmetic number, because the mean of its divisors is an integer number (55087200).

Almost surely, 216123030560 is an apocalyptic number.

16123030560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16123030560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37018598400).

16123030560 is an abundant number, since it is smaller than the sum of its proper divisors (57914166240).

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

16123030560 is an equidigital number, since it uses as much as digits as its factorization.

16123030560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The spelling of 16123030560 in words is "sixteen billion, one hundred twenty-three million, thirty thousand, five hundred sixty".