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70038055213 = 710005436459
BaseRepresentation
bin100000100111010010…
…1111110100100101101
320200210001221211210221
41001032211332210231
52121414220231323
652101450331341
75026415434540
oct1011645764455
9220701854727
1070038055213
1127780724565
12116a7729b51
1367b22acc29
143565ac0857
151c4db2b55d
hex104e97e92d

70038055213 has 4 divisors (see below), whose sum is σ = 80043491680. Its totient is φ = 60032618748.

The previous prime is 70038055163. The next prime is 70038055259. The reversal of 70038055213 is 31255083007.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31255083007 = 291077761483.

It is a cyclic number.

It is not a de Polignac number, because 70038055213 - 213 = 70038047021 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 (70038055313) 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 3 ways as a sum of consecutive naturals, for example, 5002718223 + ... + 5002718236.

It is an arithmetic number, because the mean of its divisors is an integer number (20010872920).

Almost surely, 270038055213 is an apocalyptic number.

It is an amenable number.

70038055213 is a deficient number, since it is larger than the sum of its proper divisors (10005436467).

70038055213 is a wasteful number, since it uses less digits than its factorization.

70038055213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10005436466.

The product of its (nonzero) digits is 25200, while the sum is 34.

The spelling of 70038055213 in words is "seventy billion, thirty-eight million, fifty-five thousand, two hundred thirteen".

Divisors: 1 7 10005436459 70038055213