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70645641367 = 73316643999
BaseRepresentation
bin100000111001011001…
…1101111000010010111
320202100102020102022211
41001302303233002113
52124140241010432
652242033134251
75050444021000
oct1016263570227
9222312212284
1070645641367
1127a62693a84
12118370ba387
13687b133772
1435c26801a7
151c87146d47
hex1072cef097

70645641367 has 16 divisors (see below), whose sum is σ = 85043200000. Its totient is φ = 58600062360.

The previous prime is 70645641361. The next prime is 70645641379. The reversal of 70645641367 is 76314654607.

It is not a de Polignac number, because 70645641367 - 27 = 70645641239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70645641367.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70645641361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3311367 + ... + 3332632.

It is an arithmetic number, because the mean of its divisors is an integer number (5315200000).

Almost surely, 270645641367 is an apocalyptic number.

70645641367 is a deficient number, since it is larger than the sum of its proper divisors (14397558633).

70645641367 is an equidigital number, since it uses as much as digits as its factorization.

70645641367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6644051 (or 6644037 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 49.

The spelling of 70645641367 in words is "seventy billion, six hundred forty-five million, six hundred forty-one thousand, three hundred sixty-seven".

Divisors: 1 7 31 49 217 343 1519 10633 6643999 46507993 205963969 325555951 1441747783 2278891657 10092234481 70645641367