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1255150105139 = 73122079261973
BaseRepresentation
bin10010010000111100110…
…001101011001000110011
311102222202120100201201002
4102100330301223020303
5131031021411331024
62400335154432215
7156452534601410
oct22207461531063
94388676321632
101255150105139
11444340570387
1218330b29266b
139148b321008
1444a6cc31107
15229b17876ae
hex1243cc6b233

1255150105139 has 16 divisors (see below), whose sum is σ = 1480802795520. Its totient is φ = 1041087206880.

The previous prime is 1255150105127. The next prime is 1255150105163. The reversal of 1255150105139 is 9315010515521.

It is not a de Polignac number, because 1255150105139 - 28 = 1255150104883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1255150105199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4660157 + ... + 4922129.

It is an arithmetic number, because the mean of its divisors is an integer number (92550174720).

Almost surely, 21255150105139 is an apocalyptic number.

1255150105139 is a deficient number, since it is larger than the sum of its proper divisors (225652690381).

1255150105139 is a wasteful number, since it uses less digits than its factorization.

1255150105139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284090.

The product of its (nonzero) digits is 33750, while the sum is 38.

The spelling of 1255150105139 in words is "one trillion, two hundred fifty-five billion, one hundred fifty million, one hundred five thousand, one hundred thirty-nine".

Divisors: 1 7 31 217 22079 154553 261973 684449 1833811 4791143 8121163 56848141 5784101867 40488713069 179307157877 1255150105139