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131020241204 = 22172197957271
BaseRepresentation
bin111101000000101101…
…0100011100100110100
3110112012000200212110002
41322001122203210310
54121312140204304
6140105002250432
712315542450336
oct1720132434464
9415160625402
10131020241204
1150624568486
12214864b6a18
13c48037ab58
1464acba5456
15361c6e231e
hex1e816a3934

131020241204 has 36 divisors (see below), whose sum is σ = 243693505440. Its totient is φ = 61624352640.

The previous prime is 131020241171. The next prime is 131020241239. The reversal of 131020241204 is 402142020131.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 2259089 + ... + 2316359.

It is an arithmetic number, because the mean of its divisors is an integer number (6769264040).

Almost surely, 2131020241204 is an apocalyptic number.

It is an amenable number.

131020241204 is a deficient number, since it is larger than the sum of its proper divisors (112673264236).

131020241204 is a wasteful number, since it uses less digits than its factorization.

131020241204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59288 (or 59269 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 131020241204 its reverse (402142020131), we get a palindrome (533162261335).

The spelling of 131020241204 in words is "one hundred thirty-one billion, twenty million, two hundred forty-one thousand, two hundred four".

Divisors: 1 2 4 17 34 68 289 578 1156 1979 3958 7916 33643 57271 67286 114542 134572 229084 571931 973607 1143862 1947214 2287724 3894428 16551319 33102638 66205276 113339309 226678618 453357236 1926768253 3853536506 7707073012 32755060301 65510120602 131020241204