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131200122045 = 358746674803
BaseRepresentation
bin111101000110000100…
…0101111110010111101
3110112122120011202120110
41322030020233302331
54122144212401140
6140134505540233
712323155431306
oct1721410576275
9415576152513
10131200122045
1150707059633
12215167a4679
13c4ab70c715
1464c8a2b7ad
15362d3c5380
hex1e8c22fcbd

131200122045 has 8 divisors (see below), whose sum is σ = 209920195296. Its totient is φ = 69973398416.

The previous prime is 131200122023. The next prime is 131200122049. The reversal of 131200122045 is 540221002131.

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

It is a cyclic number.

It is not a de Polignac number, because 131200122045 - 217 = 131199990973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131200122049) 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, 4373337387 + ... + 4373337416.

It is an arithmetic number, because the mean of its divisors is an integer number (26240024412).

Almost surely, 2131200122045 is an apocalyptic number.

131200122045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131200122045 is a deficient number, since it is larger than the sum of its proper divisors (78720073251).

131200122045 is an equidigital number, since it uses as much as digits as its factorization.

131200122045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8746674811.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 131200122045 its reverse (540221002131), we get a palindrome (671421124176).

The spelling of 131200122045 in words is "one hundred thirty-one billion, two hundred million, one hundred twenty-two thousand, forty-five".

Divisors: 1 3 5 15 8746674803 26240024409 43733374015 131200122045