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70655944993 = 193718733947
BaseRepresentation
bin100000111001101101…
…1000010100100100001
320202101010121220020121
41001303123002210201
52124200410214433
652243042040241
75050630423504
oct1016333024441
9222333556217
1070655944993
1127a68491277
121183a649081
13688030059a
1435c3ba313b
151c87ecec2d
hex10736c2921

70655944993 has 4 divisors (see below), whose sum is σ = 74374678960. Its totient is φ = 66937211028.

The previous prime is 70655944987. The next prime is 70655944999. The reversal of 70655944993 is 39944955607.

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 an interprime number because it is at equal distance from previous prime (70655944987) and next prime (70655944999).

It is a cyclic number.

It is not a de Polignac number, because 70655944993 - 29 = 70655944481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70655944999) 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, 1859366955 + ... + 1859366992.

It is an arithmetic number, because the mean of its divisors is an integer number (18593669740).

Almost surely, 270655944993 is an apocalyptic number.

It is an amenable number.

70655944993 is a deficient number, since it is larger than the sum of its proper divisors (3718733967).

70655944993 is a wasteful number, since it uses less digits than its factorization.

70655944993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3718733966.

The product of its (nonzero) digits is 36741600, while the sum is 61.

The spelling of 70655944993 in words is "seventy billion, six hundred fifty-five million, nine hundred forty-four thousand, nine hundred ninety-three".

Divisors: 1 19 3718733947 70655944993