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16311738301 = 104281156421
BaseRepresentation
bin11110011000100000…
…10101111110111101
31120002210102011100121
433030100111332331
5231401301111201
611254333054541
71115135326225
oct171420257675
946083364317
1016311738301
116a10607461
1231b2927451
1316cc533b71
14b0a51d085
156570729a1
hex3cc415fbd

16311738301 has 4 divisors (see below), whose sum is σ = 16311999004. Its totient is φ = 16311477600.

The previous prime is 16311738277. The next prime is 16311738329. The reversal of 16311738301 is 10383711361.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2143597401 + 14168140900 = 46299^2 + 119030^2 .

It is a 3-Lehmer number, since φ(16311738301) divides (16311738301-1)3.

It is a cyclic number.

It is not a de Polignac number, because 16311738301 - 221 = 16309641149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16311738101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26071 + ... + 182491.

It is an arithmetic number, because the mean of its divisors is an integer number (4077999751).

It is a Poulet number, since it divides 216311738300-1.

Almost surely, 216311738301 is an apocalyptic number.

16311738301 is the 104281-st pentagonal number.

It is an amenable number.

16311738301 is a deficient number, since it is larger than the sum of its proper divisors (260703).

16311738301 is a wasteful number, since it uses less digits than its factorization.

16311738301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260702.

The product of its (nonzero) digits is 9072, while the sum is 34.

The spelling of 16311738301 in words is "sixteen billion, three hundred eleven million, seven hundred thirty-eight thousand, three hundred one".

Divisors: 1 104281 156421 16311738301