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131050055400 = 2335211127156347
BaseRepresentation
bin111101000001100110…
…0010010011011101000
3110112021002210120211120
41322003030102123220
54121342303233100
6140111545255240
712316354043235
oct1720314223350
9415232716746
10131050055400
115063a381310
1221494494520
13c4865b93a4
1464b2b2678c
1536201310a0
hex1e833126e8

131050055400 has 192 divisors, whose sum is σ = 446679982080. Its totient is φ = 31519353600.

The previous prime is 131050055399. The next prime is 131050055407. The reversal of 131050055400 is 4550050131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (131050055407) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 760027 + ... + 916373.

It is an arithmetic number, because the mean of its divisors is an integer number (2326458240).

Almost surely, 2131050055400 is an apocalyptic number.

131050055400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131050055400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223339991040).

131050055400 is an abundant number, since it is smaller than the sum of its proper divisors (315629926680).

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

131050055400 is a wasteful number, since it uses less digits than its factorization.

131050055400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156504 (or 156495 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The spelling of 131050055400 in words is "one hundred thirty-one billion, fifty million, fifty-five thousand, four hundred".