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70046987072 = 261094484173
BaseRepresentation
bin100000100111100100…
…0000011001101000000
320200210200202122000112
41001033020003031000
52121424012041242
652102410010452
75026554365126
oct1011710031500
9220720678015
1070046987072
1127785775167
12116aa716a28
1367b40b955a
143566d67916
151c4e7e2c82
hex104f203340

70046987072 has 14 divisors (see below), whose sum is σ = 138999490098. Its totient is φ = 35023493504.

The previous prime is 70046987053. The next prime is 70046987077. The reversal of 70046987072 is 27078964007.

It can be written as a sum of positive squares in only one way, i.e., 40636109056 + 29410878016 = 201584^2 + 171496^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 70046987072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70046987077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 547242023 + ... + 547242150.

It is an arithmetic number, because the mean of its divisors is an integer number (9928535007).

Almost surely, 270046987072 is an apocalyptic number.

It is an amenable number.

70046987072 is a deficient number, since it is larger than the sum of its proper divisors (68952503026).

70046987072 is a wasteful number, since it uses less digits than its factorization.

70046987072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094484185 (or 1094484175 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 50.

The spelling of 70046987072 in words is "seventy billion, forty-six million, nine hundred eighty-seven thousand, seventy-two".

Divisors: 1 2 4 8 16 32 64 1094484173 2188968346 4377936692 8755873384 17511746768 35023493536 70046987072