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2040040715 = 517313312339
BaseRepresentation
bin111100110011000…
…1000110100001011
312021011200210202112
41321212020310023
513134222300330
6534233052535
7101361026366
oct17146106413
95234623675
102040040715
11957605869
1248b25714b
132668565ab
14154d1d0dd
15be171795
hex79988d0b

2040040715 has 32 divisors (see below), whose sum is σ = 2684897280. Its totient is φ = 1481356800.

The previous prime is 2040040703. The next prime is 2040040721. The reversal of 2040040715 is 5170400402.

It is not a de Polignac number, because 2040040715 - 218 = 2039778571 is a prime.

It is a super-2 number, since 2×20400407152 = 8323532237715422450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 871016 + ... + 873354.

It is an arithmetic number, because the mean of its divisors is an integer number (83903040).

Almost surely, 22040040715 is an apocalyptic number.

2040040715 is a deficient number, since it is larger than the sum of its proper divisors (644856565).

2040040715 is a wasteful number, since it uses less digits than its factorization.

2040040715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2723.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 2040040715 is about 45166.8098829218. The cubic root of 2040040715 is about 1268.2735785070.

The spelling of 2040040715 in words is "two billion, forty million, forty thousand, seven hundred fifteen".

Divisors: 1 5 17 31 85 155 331 527 1655 2339 2635 5627 10261 11695 28135 39763 51305 72509 174437 198815 362545 774209 872185 1232653 3871045 6163265 13161553 24000479 65807765 120002395 408008143 2040040715