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131234400412120 = 23511872763993269
BaseRepresentation
bin11101110101101101100011…
…110100011010000111011000
3122012122212221000011101202001
4131311231203310122013120
5114200121023001141440
61143040130134450344
736433241532116305
oct3565554364320730
9565585830141661
10131234400412120
11388a7218839085
12128761332039b4
13582c473ab0725
142459ac93160ac
151028a94378b9a
hex775b63d1a1d8

131234400412120 has 32 divisors (see below), whose sum is σ = 295526160428400. Its totient is φ = 52449536253568.

The previous prime is 131234400412009. The next prime is 131234400412151. The reversal of 131234400412120 is 21214004432131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1381949155 + ... + 1382044114.

Almost surely, 2131234400412120 is an apocalyptic number.

131234400412120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131234400412120 is an abundant number, since it is smaller than the sum of its proper divisors (164291760016280).

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

131234400412120 is a wasteful number, since it uses less digits than its factorization.

131234400412120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2763994467 (or 2763994463 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 131234400412120 its reverse (21214004432131), we get a palindrome (152448404844251).

The spelling of 131234400412120 in words is "one hundred thirty-one trillion, two hundred thirty-four billion, four hundred million, four hundred twelve thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 1187 2374 4748 5935 9496 11870 23740 47480 2763993269 5527986538 11055973076 13819966345 22111946152 27639932690 55279865380 110559730760 3280860010303 6561720020606 13123440041212 16404300051515 26246880082424 32808600103030 65617200206060 131234400412120