Search a number
-
+
57906776494 = 275659973079
BaseRepresentation
bin110101111011100000…
…110100100110101110
312112110121211000220201
4311323200310212232
51422043113321434
642334011104114
74116661323160
oct657340644656
9175417730821
1057906776494
1122615958286
12b280a4203a
1355caba28b8
142b3488c930
15178dac8614
hexd7b8349ae

57906776494 has 16 divisors (see below), whose sum is σ = 99271872000. Its totient is φ = 24816411864.

The previous prime is 57906776479. The next prime is 57906776497. The reversal of 57906776494 is 49467760975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57906776497) 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, 755847 + ... + 828925.

It is an arithmetic number, because the mean of its divisors is an integer number (6204492000).

Almost surely, 257906776494 is an apocalyptic number.

57906776494 is a deficient number, since it is larger than the sum of its proper divisors (41365095506).

57906776494 is a wasteful number, since it uses less digits than its factorization.

57906776494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129687.

The product of its (nonzero) digits is 80015040, while the sum is 64.

The spelling of 57906776494 in words is "fifty-seven billion, nine hundred six million, seven hundred seventy-six thousand, four hundred ninety-four".

Divisors: 1 2 7 14 56599 73079 113198 146158 396193 511553 792386 1023106 4136198321 8272396642 28953388247 57906776494