Search a number
-
+
57095356031 = 767241505139
BaseRepresentation
bin110101001011001001…
…011111111001111111
312110101001222121021222
4311023021133321333
51413412402343111
642121303343555
74060606342640
oct651311377177
9173331877258
1057095356031
112223992705a
12b095151bbb
1354cba5174c
142a98bcd6c7
1517427477db
hexd4b25fe7f

57095356031 has 16 divisors (see below), whose sum is σ = 66500670720. Its totient is φ = 48008315520.

The previous prime is 57095356013. The next prime is 57095356037. The reversal of 57095356031 is 13065359075.

It is a cyclic number.

It is not a de Polignac number, because 57095356031 - 210 = 57095355007 is a prime.

It is a super-3 number, since 3×570953560313 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57095356037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139541 + ... + 365598.

It is an arithmetic number, because the mean of its divisors is an integer number (4156291920).

Almost surely, 257095356031 is an apocalyptic number.

57095356031 is a deficient number, since it is larger than the sum of its proper divisors (9405314689).

57095356031 is a wasteful number, since it uses less digits than its factorization.

57095356031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505454.

The product of its (nonzero) digits is 425250, while the sum is 44.

The spelling of 57095356031 in words is "fifty-seven billion, ninety-five million, three hundred fifty-six thousand, thirty-one".

Divisors: 1 7 67 241 469 1687 16147 113029 505139 3535973 33844313 121738499 236910191 852169493 8156479433 57095356031