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131481481485 = 358765432099
BaseRepresentation
bin111101001110011101…
…0000011000100001101
3110120101011121022011110
41322130322003010031
54123233224401420
6140222440242233
712333143103234
oct1723472030415
9416334538143
10131481481485
11508409610a2
1221594a70379
13c524ab1ab3
14651414bb1b
153647e50ee0
hex1e9ce8310d

131481481485 has 8 divisors (see below), whose sum is σ = 210370370400. Its totient is φ = 70123456784.

The previous prime is 131481481477. The next prime is 131481481493. The reversal of 131481481485 is 584184184131.

It is an interprime number because it is at equal distance from previous prime (131481481477) and next prime (131481481493).

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 131481481485 - 23 = 131481481477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4382716035 + ... + 4382716064.

It is an arithmetic number, because the mean of its divisors is an integer number (26296296300).

Almost surely, 2131481481485 is an apocalyptic number.

131481481485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131481481485 is a deficient number, since it is larger than the sum of its proper divisors (78888888915).

131481481485 is an equidigital number, since it uses as much as digits as its factorization.

131481481485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8765432107.

The product of its digits is 491520, while the sum is 48.

The spelling of 131481481485 in words is "one hundred thirty-one billion, four hundred eighty-one million, four hundred eighty-one thousand, four hundred eighty-five".

Divisors: 1 3 5 15 8765432099 26296296297 43827160495 131481481485