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70474039993 = 710067719999
BaseRepresentation
bin100000110100010010…
…1001000001010111001
320201220110100011111101
41001220211020022321
52123312323234433
652213023131401
75043261312310
oct1015045101271
9221813304441
1070474039993
1127984838365
12117a9743b61
1368517105a6
1435a7971277
151c7704c07d
hex10689482b9

70474039993 has 4 divisors (see below), whose sum is σ = 80541760000. Its totient is φ = 60406319988.

The previous prime is 70474039967. The next prime is 70474040011. The reversal of 70474039993 is 39993047407.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2k-70474039993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70474039963) 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, 5033859993 + ... + 5033860006.

It is an arithmetic number, because the mean of its divisors is an integer number (20135440000).

Almost surely, 270474039993 is an apocalyptic number.

It is an amenable number.

70474039993 is a deficient number, since it is larger than the sum of its proper divisors (10067720007).

70474039993 is a wasteful number, since it uses less digits than its factorization.

70474039993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10067720006.

The product of its (nonzero) digits is 5143824, while the sum is 55.

The spelling of 70474039993 in words is "seventy billion, four hundred seventy-four million, thirty-nine thousand, nine hundred ninety-three".

Divisors: 1 7 10067719999 70474039993