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57130123270254 = 2310194274130809
BaseRepresentation
bin11001111110101101001001…
…01101000001100001101110
321111021120211112000021010220
430333112210231001201232
524442004443024122004
6321301114420112210
715014341466300226
oct1477264455014156
9244246745007126
1057130123270254
1117226827230301
1264a824a835666
1325b54696236b8
141017181437086
15691143e21dd9
hex33f5a4b4186e

57130123270254 has 16 divisors (see below), whose sum is σ = 115391536111440. Its totient is φ = 18854826161600.

The previous prime is 57130123270229. The next prime is 57130123270289. The reversal of 57130123270254 is 45207232103175.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47137064799 + ... + 47137066010.

It is an arithmetic number, because the mean of its divisors is an integer number (7211971006965).

Almost surely, 257130123270254 is an apocalyptic number.

57130123270254 is an abundant number, since it is smaller than the sum of its proper divisors (58261412841186).

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

57130123270254 is a wasteful number, since it uses less digits than its factorization.

57130123270254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94274130915.

The product of its (nonzero) digits is 352800, while the sum is 42.

The spelling of 57130123270254 in words is "fifty-seven trillion, one hundred thirty billion, one hundred twenty-three million, two hundred seventy thousand, two hundred fifty-four".

Divisors: 1 2 3 6 101 202 303 606 94274130809 188548261618 282822392427 565644784854 9521687211709 19043374423418 28565061635127 57130123270254