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61315050426 = 2371459882153
BaseRepresentation
bin111001000110101010…
…010110101110111010
312212021011002021210120
4321012222112232322
52001033123103201
644100122154110
74300305220650
oct710652265672
9185234067716
1061315050426
11240048249a3
12ba72352936
135a22034736
142d793b0dd0
1518dce17536
hexe46a96bba

61315050426 has 16 divisors (see below), whose sum is σ = 140148686784. Its totient is φ = 17518585824.

The previous prime is 61315050371. The next prime is 61315050431. The reversal of 61315050426 is 62405051316.

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, 729941035 + ... + 729941118.

It is an arithmetic number, because the mean of its divisors is an integer number (8759292924).

Almost surely, 261315050426 is an apocalyptic number.

61315050426 is an abundant number, since it is smaller than the sum of its proper divisors (78833636358).

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

61315050426 is a wasteful number, since it uses less digits than its factorization.

61315050426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459882165.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 61315050426 in words is "sixty-one billion, three hundred fifteen million, fifty thousand, four hundred twenty-six".

Divisors: 1 2 3 6 7 14 21 42 1459882153 2919764306 4379646459 8759292918 10219175071 20438350142 30657525213 61315050426