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16311795297 = 374211845017
BaseRepresentation
bin11110011000100001…
…00011111001100001
31120002210112001112120
433030100203321201
5231401304422142
611254334214453
71115135654340
oct171420437141
946083461476
1016311795297
116a10646266
1231b2954429
1316cc553aa5
14b0a535b57
156570847ec
hex3cc423e61

16311795297 has 16 divisors (see below), whose sum is σ = 24915123072. Its totient is φ = 9298880640.

The previous prime is 16311795287. The next prime is 16311795299. The reversal of 16311795297 is 79259711361.

It is not a de Polignac number, because 16311795297 - 215 = 16311762529 is a prime.

It is a super-2 number, since 2×163117952972 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16311795299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 913668 + ... + 931349.

It is an arithmetic number, because the mean of its divisors is an integer number (1557195192).

Almost surely, 216311795297 is an apocalyptic number.

It is an amenable number.

16311795297 is a deficient number, since it is larger than the sum of its proper divisors (8603327775).

16311795297 is a wasteful number, since it uses less digits than its factorization.

16311795297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845448.

The product of its digits is 714420, while the sum is 51.

The spelling of 16311795297 in words is "sixteen billion, three hundred eleven million, seven hundred ninety-five thousand, two hundred ninety-seven".

Divisors: 1 3 7 21 421 1263 2947 8841 1845017 5535051 12915119 38745357 776752157 2330256471 5437265099 16311795297