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9057618157 = 73271395581
BaseRepresentation
bin10000110111110000…
…00100100011101101
3212101020111200021011
420123320010203231
5122022222240112
64054440105221
7440312325010
oct103370044355
925336450234
109057618157
113928875645
121909465211
13b146a5093
1461cd33377
153802adaa7
hex21be048ed

9057618157 has 8 divisors (see below), whose sum is σ = 10354754432. Its totient is φ = 7761279600.

The previous prime is 9057618151. The next prime is 9057618209. The reversal of 9057618157 is 7518167509.

It is a happy number.

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 9057618157 - 215 = 9057585389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9057618157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9057618151) 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, 174894 + ... + 220687.

It is an arithmetic number, because the mean of its divisors is an integer number (1294344304).

Almost surely, 29057618157 is an apocalyptic number.

It is an amenable number.

9057618157 is a deficient number, since it is larger than the sum of its proper divisors (1297136275).

9057618157 is a wasteful number, since it uses less digits than its factorization.

9057618157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398859.

The product of its (nonzero) digits is 529200, while the sum is 49.

The square root of 9057618157 is about 95171.5196736923. The cubic root of 9057618157 is about 2084.5132949118.

The spelling of 9057618157 in words is "nine billion, fifty-seven million, six hundred eighteen thousand, one hundred fifty-seven".

Divisors: 1 7 3271 22897 395581 2769067 1293945451 9057618157