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57989098974 = 239664849829
BaseRepresentation
bin110110000000011010…
…110110110111011110
312112200100201110010110
4312000122312313132
51422230202131344
642350111350450
74122011131332
oct660032666736
9175610643113
1057989098974
1122658375394
12b2a4522426
135611c67121
142b4179b7c2
151795e3a3b9
hexd806b6dde

57989098974 has 8 divisors (see below), whose sum is σ = 115978197960. Its totient is φ = 19329699656.

The previous prime is 57989098967. The next prime is 57989099023. The reversal of 57989098974 is 47989098975.

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

57989098974 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 57989098896 and 57989098905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4832424909 + ... + 4832424920.

It is an arithmetic number, because the mean of its divisors is an integer number (14497274745).

Almost surely, 257989098974 is an apocalyptic number.

57989098974 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57989098974 is a wasteful number, since it uses less digits than its factorization.

57989098974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9664849834.

The product of its (nonzero) digits is 411505920, while the sum is 75.

Subtracting from 57989098974 its reverse (47989098975), we obtain a palindrome (9999999999).

The spelling of 57989098974 in words is "fifty-seven billion, nine hundred eighty-nine million, ninety-eight thousand, nine hundred seventy-four".

Divisors: 1 2 3 6 9664849829 19329699658 28994549487 57989098974