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104055120251 = 115190404101
BaseRepresentation
bin110000011101000101…
…0110010000101111011
3100221120210001210110122
41200322022302011323
53201101102322001
6115445142203455
710342403633345
oct1407212620573
9327523053418
10104055120251
1140147447a55
12181bba2358b
139a7398cc94
145071842295
152a9024bb1b
hex183a2b217b

104055120251 has 4 divisors (see below), whose sum is σ = 104145525504. Its totient is φ = 103964715000.

The previous prime is 104055120241. The next prime is 104055120269. The reversal of 104055120251 is 152021550401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 104055120251 - 218 = 104054858107 is a prime.

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 104055120251.

It is not an unprimeable number, because it can be changed into a prime (104055120241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45200900 + ... + 45203201.

It is an arithmetic number, because the mean of its divisors is an integer number (26036381376).

Almost surely, 2104055120251 is an apocalyptic number.

104055120251 is a deficient number, since it is larger than the sum of its proper divisors (90405253).

104055120251 is an equidigital number, since it uses as much as digits as its factorization.

104055120251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90405252.

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 104055120251 its reverse (152021550401), we get a palindrome (256076670652).

The spelling of 104055120251 in words is "one hundred four billion, fifty-five million, one hundred twenty thousand, two hundred fifty-one".

Divisors: 1 1151 90404101 104055120251