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40007000307 = 3311759244561
BaseRepresentation
bin100101010000100110…
…100110000011110011
310211021011020012010010
4211100212212003303
51123413243002212
630213504510003
72614260614601
oct452046460363
9124234205103
1040007000307
1115a6a9aa51a
12790631b303
133a07663961
141d174b0871
15109241b03c
hex9509a60f3

40007000307 has 16 divisors (see below), whose sum is σ = 55094927360. Its totient is φ = 25796188800.

The previous prime is 40007000291. The next prime is 40007000333. The reversal of 40007000307 is 70300070004.

It is not a de Polignac number, because 40007000307 - 24 = 40007000291 is a prime.

It is the 200018-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40007000107) by changing a digit.

It is a nontrivial repunit in base 200017.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41307 + ... + 285867.

It is an arithmetic number, because the mean of its divisors is an integer number (3443432960).

Almost surely, 240007000307 is an apocalyptic number.

40007000307 is a deficient number, since it is larger than the sum of its proper divisors (15087927053).

40007000307 is a wasteful number, since it uses less digits than its factorization.

40007000307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246354.

The product of its (nonzero) digits is 588, while the sum is 21.

The spelling of 40007000307 in words is "forty billion, seven million, three hundred seven", and thus it is an aban number.

Divisors: 1 3 31 93 1759 5277 54529 163587 244561 733683 7581391 22744173 430182799 1290548397 13335666769 40007000307