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104122440431 = 3147291724499
BaseRepresentation
bin110000011111000101…
…1100101101011101111
3100221202110202000101122
41200332023211223233
53201220321043211
6115455545131155
710344152066162
oct1407613455357
9327673660348
10104122440431
1140181448669
121821a489abb
139a84900ac9
14507a767ad9
152a960e86db
hex183e2e5aef

104122440431 has 16 divisors (see below), whose sum is σ = 109810176000. Its totient is φ = 98581911840.

The previous prime is 104122440413. The next prime is 104122440503. The reversal of 104122440431 is 134044221401.

It is a cyclic number.

It is not a de Polignac number, because 104122440431 - 218 = 104122178287 is a prime.

It is a super-2 number, since 2×1041224404312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104122440431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104122440031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4237820 + ... + 4262318.

It is an arithmetic number, because the mean of its divisors is an integer number (6863136000).

Almost surely, 2104122440431 is an apocalyptic number.

104122440431 is a deficient number, since it is larger than the sum of its proper divisors (5687735569).

104122440431 is a wasteful number, since it uses less digits than its factorization.

104122440431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27494.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 104122440431 its reverse (134044221401), we get a palindrome (238166661832).

The spelling of 104122440431 in words is "one hundred four billion, one hundred twenty-two million, four hundred forty thousand, four hundred thirty-one".

Divisors: 1 31 47 1457 2917 24499 90427 137099 759469 1151453 4250069 35695043 71463583 2215371073 3358788401 104122440431