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70384297516 = 221312907104869
BaseRepresentation
bin100000110001100111…
…0110010011000101100
320201200012110202221221
41001203032302120230
52123121340010031
652200055433124
75041121441401
oct1014316623054
9221605422857
1070384297516
1127939112525
12117836857a4
136838c4b930
143599a902a8
151c6e221a11
hex10633b262c

70384297516 has 24 divisors (see below), whose sum is σ = 132658872080. Its totient is φ = 32482233792.

The previous prime is 70384297513. The next prime is 70384297537. The reversal of 70384297516 is 61579248307.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (70384297513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618730 + ... + 723598.

It is a 2-persistent number, because it is pandigital, and so is 2⋅70384297516 = 140768595032, but 3⋅70384297516 = 211152892548 is not.

Almost surely, 270384297516 is an apocalyptic number.

70384297516 is the 167791-st heptagonal number.

It is an amenable number.

70384297516 is a deficient number, since it is larger than the sum of its proper divisors (62274574564).

70384297516 is a wasteful number, since it uses less digits than its factorization.

70384297516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117793 (or 117791 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 70384297516 in words is "seventy billion, three hundred eighty-four million, two hundred ninety-seven thousand, five hundred sixteen".

Divisors: 1 2 4 13 26 52 12907 25814 51628 104869 167791 209738 335582 419476 671164 1363297 2726594 5453188 1353544183 2707088366 5414176732 17596074379 35192148758 70384297516