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675696315420 = 223457120149613
BaseRepresentation
bin10011101010100101010…
…00111000110000011100
32101121002102211022010000
421311102220320300130
542032311224043140
61234224405014300
766550245626160
oct11652250706034
92347072738100
10675696315420
11240619a55765
12aab553b4390
134b9442829a9
14249bd616ca0
151289a5caa30
hex9d52a38c1c

675696315420 has 240 divisors, whose sum is σ = 2424562354368. Its totient is φ = 154313164800.

The previous prime is 675696315409. The next prime is 675696315421. The reversal of 675696315420 is 24513696576.

675696315420 is a `hidden beast` number, since 6 + 7 + 5 + 6 + 96 + 3 + 1 + 542 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675696315421) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 13594534 + ... + 13644146.

Almost surely, 2675696315420 is an apocalyptic number.

675696315420 is a gapful number since it is divisible by the number (60) 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 675696315420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1212281177184).

675696315420 is an abundant number, since it is smaller than the sum of its proper divisors (1748866038948).

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

675696315420 is a wasteful number, since it uses less digits than its factorization.

675696315420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50842 (or 50831 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 54.

The spelling of 675696315420 in words is "six hundred seventy-five billion, six hundred ninety-six million, three hundred fifteen thousand, four hundred twenty".