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136948619431680 = 2835721747979391
BaseRepresentation
bin11111001000110111010101…
…110100000100111100000000
3122221220011022202100221211020
4133020313111310010330000
5120422231233033303210
61203133154403345440
740563132312304500
oct3710672564047400
9587804282327736
10136948619431680
113a6aa646476071
1213439687682280
135b55279106b64
1425b64c45ada00
1510c75340ea770
hex7c8dd5d04f00

136948619431680 has 1728 divisors, whose sum is σ = 555910528868352. Its totient is φ = 28534080798720.

The previous prime is 136948619431649. The next prime is 136948619431739. The reversal of 136948619431680 is 86134916849631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 14582959785 + ... + 14582969175.

It is an arithmetic number, because the mean of its divisors is an integer number (321707481984).

Almost surely, 2136948619431680 is an apocalyptic number.

136948619431680 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 136948619431680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277955264434176).

136948619431680 is an abundant number, since it is smaller than the sum of its proper divisors (418961909436672).

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

136948619431680 is a wasteful number, since it uses less digits than its factorization.

136948619431680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9590 (or 9569 counting only the distinct ones).

The product of its (nonzero) digits is 161243136, while the sum is 69.

The spelling of 136948619431680 in words is "one hundred thirty-six trillion, nine hundred forty-eight billion, six hundred nineteen million, four hundred thirty-one thousand, six hundred eighty".