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17970415494 = 2314812022329
BaseRepresentation
bin10000101111000111…
…101100011110000110
31201101101111200201020
4100233013230132012
5243300411243434
612131104212010
71204216003623
oct205707543606
951341450636
1017970415494
117691916159
12359630a006
131905072765
14c2692934a
157029b2849
hex42f1ec786

17970415494 has 16 divisors (see below), whose sum is σ = 35965116720. Its totient is φ = 5986090880.

The previous prime is 17970415493. The next prime is 17970415511. The reversal of 17970415494 is 49451407971.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17970415493) 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, 1002279 + ... + 1020050.

It is an arithmetic number, because the mean of its divisors is an integer number (2247819795).

Almost surely, 217970415494 is an apocalyptic number.

17970415494 is an abundant number, since it is smaller than the sum of its proper divisors (17994701226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

17970415494 is a wasteful number, since it uses less digits than its factorization.

17970415494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023815.

The product of its (nonzero) digits is 1270080, while the sum is 51.

The spelling of 17970415494 in words is "seventeen billion, nine hundred seventy million, four hundred fifteen thousand, four hundred ninety-four".

Divisors: 1 2 3 6 1481 2962 4443 8886 2022329 4044658 6066987 12133974 2995069249 5990138498 8985207747 17970415494