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57690798371 = 1918231665583
BaseRepresentation
bin110101101110101000…
…111011100100100011
312111220120102012121222
4311232220323210203
51421122321021441
642300334005255
74111426460303
oct655650734443
9174816365558
1057690798371
1122514a51768
12b22064682b
1355952129ab
142b13d0b603
151779b64d4b
hexd6ea3b923

57690798371 has 8 divisors (see below), whose sum is σ = 60760504320. Its totient is φ = 54624427272.

The previous prime is 57690798367. The next prime is 57690798391. The reversal of 57690798371 is 17389709675.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57690798371 - 22 = 57690798367 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57690798301) 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, 798155 + ... + 867428.

It is an arithmetic number, because the mean of its divisors is an integer number (7595063040).

Almost surely, 257690798371 is an apocalyptic number.

57690798371 is a deficient number, since it is larger than the sum of its proper divisors (3069705949).

57690798371 is a wasteful number, since it uses less digits than its factorization.

57690798371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667425.

The product of its (nonzero) digits is 20003760, while the sum is 62.

The spelling of 57690798371 in words is "fifty-seven billion, six hundred ninety million, seven hundred ninety-eight thousand, three hundred seventy-one".

Divisors: 1 19 1823 34637 1665583 31646077 3036357809 57690798371