Search a number
-
+
57371137212 = 22337184769959
BaseRepresentation
bin110101011011100101…
…100001010010111100
312111002021220201221210
4311123211201102330
51414444002342322
642204514324420
74100465422464
oct653345412274
9174067821853
1057371137212
1122370569594
12b151589710
135543c1ca8c
142ac369aba4
15175ba7070c
hexd5b9614bc

57371137212 has 48 divisors (see below), whose sum is σ = 137560389120. Its totient is φ = 18596515392.

The previous prime is 57371137193. The next prime is 57371137247. The reversal of 57371137212 is 21273117375.

It is a super-2 number, since 2×573711372122 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 785089 + ... + 855047.

It is an arithmetic number, because the mean of its divisors is an integer number (2865841440).

Almost surely, 257371137212 is an apocalyptic number.

It is an amenable number.

57371137212 is an abundant number, since it is smaller than the sum of its proper divisors (80189251908).

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

57371137212 is a wasteful number, since it uses less digits than its factorization.

57371137212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71850 (or 71848 counting only the distinct ones).

The product of its digits is 61740, while the sum is 39.

The spelling of 57371137212 in words is "fifty-seven billion, three hundred seventy-one million, one hundred thirty-seven thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 1847 3694 5541 7388 11082 22164 68339 69959 136678 139918 205017 209877 273356 279836 410034 419754 820068 839508 2588483 5176966 7765449 10353932 15530898 31061796 129214273 258428546 387642819 516857092 775285638 1550571276 4780928101 9561856202 14342784303 19123712404 28685568606 57371137212