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57717434292 = 22376131120901
BaseRepresentation
bin110101110000001110…
…100010011110110100
312111222102112110020120
4311300032202132310
51421201130344132
642303124531540
74112202045120
oct656016423664
9174872473216
1057717434292
1122528a94721
12b229550bb0
13559a8aa6ab
142b17682580
15177c17702c
hexd703a27b4

57717434292 has 48 divisors (see below), whose sum is σ = 154164377472. Its totient is φ = 16463779200.

The previous prime is 57717434221. The next prime is 57717434303. The reversal of 57717434292 is 29243471775.

57717434292 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 508959 + ... + 611942.

It is an arithmetic number, because the mean of its divisors is an integer number (3211757864).

Almost surely, 257717434292 is an apocalyptic number.

It is an amenable number.

57717434292 is an abundant number, since it is smaller than the sum of its proper divisors (96446943180).

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

57717434292 is a wasteful number, since it uses less digits than its factorization.

57717434292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121528 (or 1121526 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 51.

The spelling of 57717434292 in words is "fifty-seven billion, seven hundred seventeen million, four hundred thirty-four thousand, two hundred ninety-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 613 1226 1839 2452 3678 4291 7356 8582 12873 17164 25746 51492 1120901 2241802 3362703 4483604 6725406 7846307 13450812 15692614 23538921 31385228 47077842 94155684 687112313 1374224626 2061336939 2748449252 4122673878 4809786191 8245347756 9619572382 14429358573 19239144764 28858717146 57717434292