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131423555314125 = 3253982911885333
BaseRepresentation
bin11101111000011101101110…
…010101000110000111001101
3122020022222011112111000121100
4131320131232111012013031
5114211220420130023000
61143303051532453313
736453016134214644
oct3570355625060715
9566288145430540
10131423555314125
113896a464851678
12128a692291a239
13584425a2cc449
142464d10d2a35b
15102d96565aa00
hex77876e5461cd

131423555314125 has 48 divisors (see below), whose sum is σ = 236936985770160. Its totient is φ = 70085425737600.

The previous prime is 131423555314049. The next prime is 131423555314127. The reversal of 131423555314125 is 521413555324131.

131423555314125 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 2 + 3 + 55 + 531 + 41 + 25 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 60128532639081 + 71295022675044 = 7754259^2 + 8443638^2 .

It is not a de Polignac number, because 131423555314125 - 210 = 131423555313101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131423555314127) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5114959 + ... + 17000291.

It is an arithmetic number, because the mean of its divisors is an integer number (4936187203545).

Almost surely, 2131423555314125 is an apocalyptic number.

131423555314125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131423555314125 is a deficient number, since it is larger than the sum of its proper divisors (105513430456035).

131423555314125 is a wasteful number, since it uses less digits than its factorization.

131423555314125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11895183 (or 11895170 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 45.

The spelling of 131423555314125 in words is "one hundred thirty-one trillion, four hundred twenty-three billion, five hundred fifty-five million, three hundred fourteen thousand, one hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 125 225 375 1125 9829 29487 49145 88461 147435 245725 442305 737175 1228625 2211525 3685875 11057625 11885333 35655999 59426665 106967997 178279995 297133325 534839985 891399975 1485666625 2674199925 4456999875 13370999625 116820938057 350462814171 584104690285 1051388442513 1752314070855 2920523451425 5256942212565 8761570354275 14602617257125 26284711062825 43807851771375 131423555314125