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70717718419 = 3710691787923
BaseRepresentation
bin100000111011100011…
…0101011111110010011
320202112102212022110021
41001313012223332103
52124312213442134
652253130044311
75052310455115
oct1016706537623
9222472768407
1070717718419
1127a9a343597
1211857279697
13689004b7ca
1435cc0833b5
151c8d6330b4
hex10771abf93

70717718419 has 8 divisors (see below), whose sum is σ = 72696989840. Its totient is φ = 68742025056.

The previous prime is 70717718347. The next prime is 70717718431. The reversal of 70717718419 is 91481771707.

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

It is a cyclic number.

It is not a de Polignac number, because 70717718419 - 213 = 70717710227 is a prime.

It is a super-2 number, since 2×707177184192 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70717718479) 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, 854409 + ... + 933514.

It is an arithmetic number, because the mean of its divisors is an integer number (9087123730).

Almost surely, 270717718419 is an apocalyptic number.

70717718419 is a deficient number, since it is larger than the sum of its proper divisors (1979271421).

70717718419 is a wasteful number, since it uses less digits than its factorization.

70717718419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789029.

The product of its (nonzero) digits is 691488, while the sum is 52.

The spelling of 70717718419 in words is "seventy billion, seven hundred seventeen million, seven hundred eighteen thousand, four hundred nineteen".

Divisors: 1 37 1069 39553 1787923 66153151 1911289687 70717718419