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70037407037 = 135387492849
BaseRepresentation
bin100000100111010001…
…1100000010100111101
320200210000201220200102
41001032203200110331
52121414034011122
652101424410445
75026410065033
oct1011643402475
9220700656612
1070037407037
1127780321584
12116a7476a25
1367b2113bb0
143565992553
151c4da4e492
hex104e8e053d

70037407037 has 4 divisors (see below), whose sum is σ = 75424899900. Its totient is φ = 64649914176.

The previous prime is 70037406997. The next prime is 70037407051. The reversal of 70037407037 is 73070473007.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47619531961 + 22417875076 = 218219^2 + 149726^2 .

It is a cyclic number.

It is not a de Polignac number, because 70037407037 - 210 = 70037406013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70037407537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2693746412 + ... + 2693746437.

It is an arithmetic number, because the mean of its divisors is an integer number (18856224975).

Almost surely, 270037407037 is an apocalyptic number.

It is an amenable number.

70037407037 is a deficient number, since it is larger than the sum of its proper divisors (5387492863).

70037407037 is a wasteful number, since it uses less digits than its factorization.

70037407037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5387492862.

The product of its (nonzero) digits is 86436, while the sum is 38.

The spelling of 70037407037 in words is "seventy billion, thirty-seven million, four hundred seven thousand, thirty-seven".

Divisors: 1 13 5387492849 70037407037