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57081607426 = 2193114780323
BaseRepresentation
bin110101001010010101…
…000011010100000010
312110100010010002202101
4311022111003110002
51413400342414201
642120052541014
74060351441354
oct651225032402
9173303102671
1057081607426
1122232096578
12b09062176a
1354c8c4988c
142a970510d4
15174142dd01
hexd4a543502

57081607426 has 8 divisors (see below), whose sum is σ = 85666757904. Its totient is φ = 28526021460.

The previous prime is 57081607423. The next prime is 57081607459. The reversal of 57081607426 is 62470618075.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (57081607423) 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, 7386300 + ... + 7394023.

It is an arithmetic number, because the mean of its divisors is an integer number (10708344738).

Almost surely, 257081607426 is an apocalyptic number.

57081607426 is a deficient number, since it is larger than the sum of its proper divisors (28585150478).

57081607426 is a wasteful number, since it uses less digits than its factorization.

57081607426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14782256.

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 57081607426 in words is "fifty-seven billion, eighty-one million, six hundred seven thousand, four hundred twenty-six".

Divisors: 1 2 1931 3862 14780323 29560646 28540803713 57081607426