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70113613 = 471738623
BaseRepresentation
bin1000010110111…
…01100101001101
311212221010210111
410023131211031
5120422113423
610542440021
71510645603
oct413354515
9155833714
1070113613
1136639439
121b593011
13116ab45b
149451873
15624e60d
hex42dd94d

70113613 has 8 divisors (see below), whose sum is σ = 72027648. Its totient is φ = 68217264.

The previous prime is 70113611. The next prime is 70113623. The reversal of 70113613 is 31631107.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70113613 - 21 = 70113611 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 (70113611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3820 + ... + 12442.

It is an arithmetic number, because the mean of its divisors is an integer number (9003456).

Almost surely, 270113613 is an apocalyptic number.

It is an amenable number.

70113613 is a deficient number, since it is larger than the sum of its proper divisors (1914035).

70113613 is a wasteful number, since it uses less digits than its factorization.

70113613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8843.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 70113613 is about 8373.3871879903. The cubic root of 70113613 is about 412.3513768832.

The spelling of 70113613 in words is "seventy million, one hundred thirteen thousand, six hundred thirteen".

Divisors: 1 47 173 8131 8623 405281 1491779 70113613