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70151879044 = 221326121672
BaseRepresentation
bin100000101010101100…
…0001011100110000100
320201002000010200202101
41001111120023212010
52122132340112134
652121034121444
75032300063462
oct1012530134604
9221060120671
1070151879044
11278299a8045
1211719880284
1367cca53900
143576c6d832
151c58b11e14
hex105560b984

70151879044 has 81 divisors (see below), whose sum is σ = 135964867311. Its totient is φ = 31656306240.

The previous prime is 70151878997. The next prime is 70151879053. The reversal of 70151879044 is 44097815107.

It is a happy number.

The square root of 70151879044 is 264862.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 49332852100 + 20819026944 = 222110^2 + 144288^2 .

It is a super-2 number, since 2×701518790442 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70151878985 and 70151879003.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 420071049 + ... + 420071215.

Almost surely, 270151879044 is an apocalyptic number.

70151879044 is the 264862-nd square number.

It is an amenable number.

70151879044 is a deficient number, since it is larger than the sum of its proper divisors (65812988267).

70151879044 is a wasteful number, since it uses less digits than its factorization.

70151879044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 46.

The spelling of 70151879044 in words is "seventy billion, one hundred fifty-one million, eight hundred seventy-nine thousand, forty-four".

Divisors: 1 2 4 13 26 52 61 122 167 169 244 334 338 668 676 793 1586 2171 3172 3721 4342 7442 8684 10187 10309 14884 20374 20618 27889 28223 40748 41236 48373 55778 56446 96746 111556 112892 132431 193492 264862 362557 529724 621407 628849 725114 1242814 1257698 1450228 1701229 1721603 2485628 2515396 3402458 3443206 4713241 6804916 6886412 8078291 9426482 16156582 18852964 22115977 32313164 44231954 88463908 103774969 105017783 207549938 210035566 287507701 415099876 420071132 575015402 1150030804 1349074597 2698149194 5396298388 17537969761 35075939522 70151879044