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64805063074 = 2231408805719
BaseRepresentation
bin111100010110101011…
…101100100110100010
320012021101011022010021
4330112223230212202
52030210044004244
645434313224054
74452633642643
oct742653544642
9205241138107
1064805063074
1125535850074
121068710202a
13615a0b518b
1431caacd6ca
151a44500284
hexf16aec9a2

64805063074 has 8 divisors (see below), whose sum is σ = 101434011840. Its totient is φ = 30993725796.

The previous prime is 64805063069. The next prime is 64805063087. The reversal of 64805063074 is 47036050846.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 64805063074.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 704402814 + ... + 704402905.

It is an arithmetic number, because the mean of its divisors is an integer number (12679251480).

Almost surely, 264805063074 is an apocalyptic number.

64805063074 is a deficient number, since it is larger than the sum of its proper divisors (36628948766).

64805063074 is a wasteful number, since it uses less digits than its factorization.

64805063074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408805744.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 64805063074 in words is "sixty-four billion, eight hundred five million, sixty-three thousand, seventy-four".

Divisors: 1 2 23 46 1408805719 2817611438 32402531537 64805063074