Search a number
-
+
57757378056 = 2337893862853
BaseRepresentation
bin110101110010100110…
…111010011000001000
312112002012200210210020
4311302212322120020
51421241342044211
642311113020440
74113165420210
oct656246723010
9175065623706
1057757378056
1122549596aa4
12b23a9b4720
1355a5c54761
142b1cabd240
151780917306
hexd729ba608

57757378056 has 64 divisors (see below), whose sum is σ = 166875292800. Its totient is φ = 16316686848.

The previous prime is 57757377983. The next prime is 57757378079. The reversal of 57757378056 is 65087375775.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1916475 + ... + 1946378.

It is an arithmetic number, because the mean of its divisors is an integer number (2607426450).

Almost surely, 257757378056 is an apocalyptic number.

57757378056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

57757378056 is an abundant number, since it is smaller than the sum of its proper divisors (109117914744).

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

57757378056 is a wasteful number, since it uses less digits than its factorization.

57757378056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3862958 (or 3862954 counting only the distinct ones).

The product of its (nonzero) digits is 43218000, while the sum is 60.

The spelling of 57757378056 in words is "fifty-seven billion, seven hundred fifty-seven million, three hundred seventy-eight thousand, fifty-six".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 89 168 178 267 356 534 623 712 1068 1246 1869 2136 2492 3738 4984 7476 14952 3862853 7725706 11588559 15451412 23177118 27039971 30902824 46354236 54079942 81119913 92708472 108159884 162239826 216319768 324479652 343793917 648959304 687587834 1031381751 1375175668 2062763502 2406557419 2750351336 4125527004 4813114838 7219672257 8251054008 9626229676 14439344514 19252459352 28878689028 57757378056