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131121098 = 2182335963
BaseRepresentation
bin1111101000010…
…11111111001010
3100010201122022222
413310023333022
5232031333343
621002214042
73151340153
oct764137712
9303648288
10131121098
1168018249
1237ab4322
132121bb64
14135b292a
15b7a0a68
hex7d0bfca

131121098 has 8 divisors (see below), whose sum is σ = 196795008. Its totient is φ = 65522764.

The previous prime is 131121031. The next prime is 131121113. The reversal of 131121098 is 890121131.

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14336 + ... + 21627.

It is an arithmetic number, because the mean of its divisors is an integer number (24599376).

Almost surely, 2131121098 is an apocalyptic number.

131121098 is a deficient number, since it is larger than the sum of its proper divisors (65673910).

131121098 is a wasteful number, since it uses less digits than its factorization.

131121098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37788.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 131121098 is about 11450.8121109378. The cubic root of 131121098 is about 508.0317549951.

The spelling of 131121098 in words is "one hundred thirty-one million, one hundred twenty-one thousand, ninety-eight".

Divisors: 1 2 1823 3646 35963 71926 65560549 131121098