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131555321150 = 25211239191493
BaseRepresentation
bin111101010000101001…
…1101110010100111110
3110120120022112202010212
41322201103232110332
54123411130234100
6140234035032422
712335030531231
oct1724123562476
9416508482125
10131555321150
1150879604a10
12215b573b712
13c5371961c6
14651dc8d418
15364e689635
hex1ea14ee53e

131555321150 has 24 divisors (see below), whose sum is σ = 266937707304. Its totient is φ = 47838298400.

The previous prime is 131555321123. The next prime is 131555321167. The reversal of 131555321150 is 51123555131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119595197 + ... + 119596296.

It is an arithmetic number, because the mean of its divisors is an integer number (11122404471).

Almost surely, 2131555321150 is an apocalyptic number.

131555321150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131555321150 is an abundant number, since it is smaller than the sum of its proper divisors (135382386154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131555321150 is a wasteful number, since it uses less digits than its factorization.

131555321150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239191516 (or 239191511 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 32.

Adding to 131555321150 its reverse (51123555131), we get a palindrome (182678876281).

The spelling of 131555321150 in words is "one hundred thirty-one billion, five hundred fifty-five million, three hundred twenty-one thousand, one hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 275 550 239191493 478382986 1195957465 2391914930 2631106423 5262212846 5979787325 11959574650 13155532115 26311064230 65777660575 131555321150