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57130118754 = 2319349335163
BaseRepresentation
bin110101001101001110…
…000110111001100010
312110110111101201210020
4311031032012321202
51414000302300004
642124544414310
74061510665662
oct651516067142
9173414351706
1057130118754
112225750a885
12b0a4917396
1355060034c7
142a9d67c1a2
1517458128d9
hexd4d386e62

57130118754 has 16 divisors (see below), whose sum is σ = 114852261792. Its totient is φ = 18944702208.

The previous prime is 57130118753. The next prime is 57130118779. The reversal of 57130118754 is 45781103175.

57130118754 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×571301187542 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57130118753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24666424 + ... + 24668739.

It is an arithmetic number, because the mean of its divisors is an integer number (7178266362).

Almost surely, 257130118754 is an apocalyptic number.

57130118754 is an abundant number, since it is smaller than the sum of its proper divisors (57722143038).

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

57130118754 is a wasteful number, since it uses less digits than its factorization.

57130118754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49335361.

The product of its (nonzero) digits is 117600, while the sum is 42.

The spelling of 57130118754 in words is "fifty-seven billion, one hundred thirty million, one hundred eighteen thousand, seven hundred fifty-four".

Divisors: 1 2 3 6 193 386 579 1158 49335163 98670326 148005489 296010978 9521686459 19043372918 28565059377 57130118754