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70161270312 = 23371697246097
BaseRepresentation
bin100000101010111110…
…0000000011000101000
320201002122210211011010
41001111330000120220
52122142241122222
652122011303520
75032442646330
oct1012574003050
9221078724133
1070161270312
1127834231921
1211720a4aba0
136801991383
1435781d60c0
151c5986980c
hex1055f00628

70161270312 has 64 divisors (see below), whose sum is σ = 200579713920. Its totient is φ = 20034183168.

The previous prime is 70161270271. The next prime is 70161270329. The reversal of 70161270312 is 21307216107.

It is a self number, because there is not a number n which added to its sum of digits gives 70161270312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162048 + ... + 408144.

It is an arithmetic number, because the mean of its divisors is an integer number (3134058030).

Almost surely, 270161270312 is an apocalyptic number.

It is an amenable number.

70161270312 is an abundant number, since it is smaller than the sum of its proper divisors (130418443608).

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

70161270312 is a wasteful number, since it uses less digits than its factorization.

70161270312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247810 (or 247806 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 30.

Adding to 70161270312 its reverse (21307216107), we get a palindrome (91468486419).

The spelling of 70161270312 in words is "seventy billion, one hundred sixty-one million, two hundred seventy thousand, three hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 1697 3394 5091 6788 10182 11879 13576 20364 23758 35637 40728 47516 71274 95032 142548 246097 285096 492194 738291 984388 1476582 1722679 1968776 2953164 3445358 5168037 5906328 6890716 10336074 13781432 20672148 41344296 417626609 835253218 1252879827 1670506436 2505759654 2923386263 3341012872 5011519308 5846772526 8770158789 10023038616 11693545052 17540317578 23387090104 35080635156 70161270312