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61027140624405 = 3536711085765781
BaseRepresentation
bin11011110000000111111010…
…00010011110000000010101
322000002010201100200111220120
431320003331002132000111
530444332040444440110
6333443251550422153
715566031302251344
oct1570037502360025
9260063640614816
1061027140624405
11184995129a98aa
126a17575b01959
132808ab09c31a7
14110da2d549b5b
1570c6c8dca870
hex3780fd09e015

61027140624405 has 16 divisors (see below), whose sum is σ = 97909483386624. Its totient is φ = 32459122203840.

The previous prime is 61027140624391. The next prime is 61027140624421. The reversal of 61027140624405 is 50442604172016.

It is not a de Polignac number, because 61027140624405 - 26 = 61027140624341 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5542877386 + ... + 5542888395.

It is an arithmetic number, because the mean of its divisors is an integer number (6119342711664).

Almost surely, 261027140624405 is an apocalyptic number.

It is an amenable number.

61027140624405 is a deficient number, since it is larger than the sum of its proper divisors (36882342762219).

61027140624405 is a wasteful number, since it uses less digits than its factorization.

61027140624405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11085766156.

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 61027140624405 in words is "sixty-one trillion, twenty-seven billion, one hundred forty million, six hundred twenty-four thousand, four hundred five".

Divisors: 1 3 5 15 367 1101 1835 5505 11085765781 33257297343 55428828905 166286486715 4068476041627 12205428124881 20342380208135 61027140624405