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70971992384 = 261108937381
BaseRepresentation
bin100001000011001000…
…0101010100101000000
320210012011022202202112
41002012100222211000
52130322312224014
652334252034452
75061515660456
oct1020620524500
9223164282675
1070971992384
112810a926367
1211908462a28
136900929687
143613b529d6
151ca5b0d73e
hex108642a940

70971992384 has 14 divisors (see below), whose sum is σ = 140835047514. Its totient is φ = 35485996160.

The previous prime is 70971992369. The next prime is 70971992477. The reversal of 70971992384 is 48329917907.

It can be written as a sum of positive squares in only one way, i.e., 36328360000 + 34643632384 = 190600^2 + 186128^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554468627 + ... + 554468754.

It is an arithmetic number, because the mean of its divisors is an integer number (10059646251).

Almost surely, 270971992384 is an apocalyptic number.

It is an amenable number.

70971992384 is a deficient number, since it is larger than the sum of its proper divisors (69863055130).

70971992384 is a wasteful number, since it uses less digits than its factorization.

70971992384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108937393 (or 1108937383 counting only the distinct ones).

The product of its (nonzero) digits is 6858432, while the sum is 59.

The spelling of 70971992384 in words is "seventy billion, nine hundred seventy-one million, nine hundred ninety-two thousand, three hundred eighty-four".

Divisors: 1 2 4 8 16 32 64 1108937381 2217874762 4435749524 8871499048 17742998096 35485996192 70971992384