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131041420112400 = 24352771229959479
BaseRepresentation
bin11101110010111001110101…
…010010111111001000010000
3122011222102210212200102201220
4131302321311102333020100
5114133440312022044100
61142411333005125040
736413300356461630
oct3562716522771020
9564872725612656
10131041420112400
1138832399457676
1212844856559780
1358171caba4375
14245061d63c6c0
151023a4c310aa0
hex772e754bf210

131041420112400 has 480 divisors, whose sum is σ = 488618183577600. Its totient is φ = 29401476249600.

The previous prime is 131041420112387. The next prime is 131041420112411. The reversal of 131041420112400 is 4211024140131.

It is a happy number.

It is a super-2 number, since 2×1310414201124002 (a number of 29 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 136095861 + ... + 137055339.

It is an arithmetic number, because the mean of its divisors is an integer number (1017954549120).

Almost surely, 2131041420112400 is an apocalyptic number.

131041420112400 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 131041420112400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244309091788800).

131041420112400 is an abundant number, since it is smaller than the sum of its proper divisors (357576763465200).

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

131041420112400 is a wasteful number, since it uses less digits than its factorization.

131041420112400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959807 (or 959796 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 131041420112400 its reverse (4211024140131), we get a palindrome (135252444252531).

The spelling of 131041420112400 in words is "one hundred thirty-one trillion, forty-one billion, four hundred twenty million, one hundred twelve thousand, four hundred".