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64506036434 = 276085975709
BaseRepresentation
bin111100000100110111…
…000000000011010010
320011111112111011200112
4330010313000003102
52024102021131214
645344512121322
74442343156110
oct740467000322
9204445434615
1064506036434
11253a1a80a14
1210602b36242
136110168438
14319d0d0ab0
151a28134a3e
hexf04dc00d2

64506036434 has 16 divisors (see below), whose sum is σ = 110585054400. Its totient is φ = 27644624784.

The previous prime is 64506036403. The next prime is 64506036457. The reversal of 64506036434 is 43463060546.

It is a super-2 number, since 2×645060364342 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64506036391 and 64506036400.

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, 814172 + ... + 889880.

It is an arithmetic number, because the mean of its divisors is an integer number (6911565900).

Almost surely, 264506036434 is an apocalyptic number.

64506036434 is a deficient number, since it is larger than the sum of its proper divisors (46079017966).

64506036434 is a wasteful number, since it uses less digits than its factorization.

64506036434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136577.

The product of its (nonzero) digits is 622080, while the sum is 41.

The spelling of 64506036434 in words is "sixty-four billion, five hundred six million, thirty-six thousand, four hundred thirty-four".

Divisors: 1 2 7 14 60859 75709 121718 151418 426013 529963 852026 1059926 4607574031 9215148062 32253018217 64506036434