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131545701290 = 2513154570129
BaseRepresentation
bin111101010000010111…
…1000001101110101010
3110120112122110000011202
41322200233001232222
54123401144420130
6140233052524202
712334553004053
oct1724057015652
9416478400152
10131545701290
1150874134413
12215b2480662
13c5351a8693
14651c8a772a
15364d8d9145
hex1ea0bc1baa

131545701290 has 8 divisors (see below), whose sum is σ = 236782262340. Its totient is φ = 52618280512.

The previous prime is 131545701281. The next prime is 131545701317. The reversal of 131545701290 is 92107545131.

It can be written as a sum of positive squares in 2 ways, for example, as 127977192121 + 3568509169 = 357739^2 + 59737^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6577285055 + ... + 6577285074.

Almost surely, 2131545701290 is an apocalyptic number.

131545701290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131545701290 is a deficient number, since it is larger than the sum of its proper divisors (105236561050).

131545701290 is a wasteful number, since it uses less digits than its factorization.

131545701290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13154570136.

The product of its (nonzero) digits is 37800, while the sum is 38.

The spelling of 131545701290 in words is "one hundred thirty-one billion, five hundred forty-five million, seven hundred one thousand, two hundred ninety".

Divisors: 1 2 5 10 13154570129 26309140258 65772850645 131545701290