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70992833239 = 101702899339
BaseRepresentation
bin100001000011110000…
…0001010101011010111
320210020121112121001001
41002013200022223113
52130343131130424
652340314444131
75062161061126
oct1020740125327
9223217477031
1070992833239
1128120670409
1211913433647
136905045743
143616819abd
151ca7878844
hex108780aad7

70992833239 has 4 divisors (see below), whose sum is σ = 71695732680. Its totient is φ = 70289933800.

The previous prime is 70992833237. The next prime is 70992833243. The reversal of 70992833239 is 93233829907.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93233829907 = 421932209699.

It is a cyclic number.

It is not a de Polignac number, because 70992833239 - 21 = 70992833237 is a prime.

It is a super-2 number, since 2×709928332392 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70992833239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70992833237) 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, 351449569 + ... + 351449770.

It is an arithmetic number, because the mean of its divisors is an integer number (17923933170).

Almost surely, 270992833239 is an apocalyptic number.

70992833239 is a deficient number, since it is larger than the sum of its proper divisors (702899441).

70992833239 is a wasteful number, since it uses less digits than its factorization.

70992833239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702899440.

The product of its (nonzero) digits is 4408992, while the sum is 55.

The spelling of 70992833239 in words is "seventy billion, nine hundred ninety-two million, eight hundred thirty-three thousand, two hundred thirty-nine".

Divisors: 1 101 702899339 70992833239