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40871805371 = 292570354833
BaseRepresentation
bin100110000100001001…
…100100000110111011
310220111102111211122022
4212010021210012323
51132201140232441
630435400345055
72644561420265
oct460411440673
9126442454568
1040871805371
1116374083351
127b07a7518b
133b14886927
141d9a2a8b35
1510e32e484b
hex9842641bb

40871805371 has 8 divisors (see below), whose sum is σ = 42283594080. Its totient is φ = 39460177792.

The previous prime is 40871805361. The next prime is 40871805383. The reversal of 40871805371 is 17350817804.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40871805371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40871805301) 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, 717971 + ... + 772803.

It is an arithmetic number, because the mean of its divisors is an integer number (5285449260).

Almost surely, 240871805371 is an apocalyptic number.

40871805371 is a deficient number, since it is larger than the sum of its proper divisors (1411788709).

40871805371 is a wasteful number, since it uses less digits than its factorization.

40871805371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80565.

The product of its (nonzero) digits is 188160, while the sum is 44.

The spelling of 40871805371 in words is "forty billion, eight hundred seventy-one million, eight hundred five thousand, three hundred seventy-one".

Divisors: 1 29 25703 54833 745387 1590157 1409372599 40871805371