Search a number
-
+
61256653466 = 2379479168713
BaseRepresentation
bin111001000011001011…
…100101101010011010
312212010002012102020012
4321003023211222122
52000423200402331
644050234401522
74265665651301
oct710313455232
9185102172205
1061256653466
1123a84869448
12ba568902a2
135a12bc9318
142d7172d438
1518d7c2e82b
hexe432e5a9a

61256653466 has 16 divisors (see below), whose sum is σ = 92320300800. Its totient is φ = 30483559008.

The previous prime is 61256653441. The next prime is 61256653477. The reversal of 61256653466 is 66435665216.

61256653466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 278726 + ... + 447438.

It is an arithmetic number, because the mean of its divisors is an integer number (5770018800).

Almost surely, 261256653466 is an apocalyptic number.

61256653466 is a deficient number, since it is larger than the sum of its proper divisors (31063647334).

61256653466 is a wasteful number, since it uses less digits than its factorization.

61256653466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169573.

The product of its digits is 4665600, while the sum is 50.

The spelling of 61256653466 in words is "sixty-one billion, two hundred fifty-six million, six hundred fifty-three thousand, four hundred sixty-six".

Divisors: 1 2 379 479 758 958 168713 181541 337426 363082 63942227 80813527 127884454 161627054 30628326733 61256653466