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131403234121200 = 243252121931299357
BaseRepresentation
bin11101111000001010110011…
…000101111001010111110000
3122020021000201022120110111100
4131320022303011321113300
5114210402310413334300
61143245451251044400
736451366432013346
oct3570126305712760
9566230638513440
10131403234121200
1138961886a93658
12128a29b12a0700
13584236c216632
142463d44115996
15102d1765e6700
hex7782b31795f0

131403234121200 has 180 divisors, whose sum is σ = 456010986462408. Its totient is φ = 35040457996800.

The previous prime is 131403234121177. The next prime is 131403234121219. The reversal of 131403234121200 is 2121432304131.

131403234121200 is a `hidden beast` number, since 1 + 3 + 1 + 40 + 3 + 2 + 3 + 412 + 1 + 200 = 666.

It is a tau number, because it is divible by the number of its divisors (180).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 438801922 + ... + 439101278.

Almost surely, 2131403234121200 is an apocalyptic number.

131403234121200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131403234121200 is an abundant number, since it is smaller than the sum of its proper divisors (324607752341208).

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

131403234121200 is a wasteful number, since it uses less digits than its factorization.

131403234121200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421312 (or 421298 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 131403234121200 its reverse (2121432304131), we get a palindrome (133524666425331).

The spelling of 131403234121200 in words is "one hundred thirty-one trillion, four hundred three billion, two hundred thirty-four million, one hundred twenty-one thousand, two hundred".