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104731107981 = 375239463993
BaseRepresentation
bin110000110001001110…
…1011110001010001101
3101000022220001112022020
41201202131132022031
53203442130423411
6120040211040353
710365222505143
oct1414235361215
9330286045266
10104731107981
1140463a865a5
121836a2a00b9
139b50a42916
1450d7529593
152ace779606
hex186275e28d

104731107981 has 8 divisors (see below), whose sum is σ = 139643634240. Its totient is φ = 69819660192.

The previous prime is 104731107979. The next prime is 104731107983. The reversal of 104731107981 is 189701137401.

It is an interprime number because it is at equal distance from previous prime (104731107979) and next prime (104731107983).

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

It is not a de Polignac number, because 104731107981 - 21 = 104731107979 is a prime.

It is a super-2 number, since 2×1047311079812 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104731107983) 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, 6280 + ... + 457713.

It is an arithmetic number, because the mean of its divisors is an integer number (17455454280).

Almost surely, 2104731107981 is an apocalyptic number.

It is an amenable number.

104731107981 is a deficient number, since it is larger than the sum of its proper divisors (34912526259).

104731107981 is an equidigital number, since it uses as much as digits as its factorization.

104731107981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539235.

The product of its (nonzero) digits is 42336, while the sum is 42.

The spelling of 104731107981 in words is "one hundred four billion, seven hundred thirty-one million, one hundred seven thousand, nine hundred eighty-one".

Divisors: 1 3 75239 225717 463993 1391979 34910369327 104731107981