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5160081967 = 31166454257
BaseRepresentation
bin1001100111001000…
…01001101000101111
3111022121121022201221
410303210021220233
541031440110332
62212010244211
7241604654515
oct46344115057
914277538657
105160081967
112208805a57
121000126667
1364307a751
1436d4524b5
15203028297
hex133909a2f

5160081967 has 4 divisors (see below), whose sum is σ = 5326536256. Its totient is φ = 4993627680.

The previous prime is 5160081943. The next prime is 5160081989. The reversal of 5160081967 is 7691800615.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7691800615 = 51538360123.

It is a cyclic number.

It is not a de Polignac number, because 5160081967 - 211 = 5160079919 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 (5160081917) 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, 83227098 + ... + 83227159.

It is an arithmetic number, because the mean of its divisors is an integer number (1331634064).

Almost surely, 25160081967 is an apocalyptic number.

5160081967 is a deficient number, since it is larger than the sum of its proper divisors (166454289).

5160081967 is a wasteful number, since it uses less digits than its factorization.

5160081967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166454288.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 5160081967 is about 71833.7105195047. The cubic root of 5160081967 is about 1728.0336694284.

The spelling of 5160081967 in words is "five billion, one hundred sixty million, eighty-one thousand, nine hundred sixty-seven".

Divisors: 1 31 166454257 5160081967