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168307147404 = 2233111961251487
BaseRepresentation
bin1001110010111111100…
…0110100001010001100
3121002102121120221221000
42130233320310022030
510224143112204104
6205152542140300
715105544101564
oct2345770641214
9532377527830
10168307147404
1165418aa6a40
1228751881690
1312b43310b66
148208cd1da4
1545a0e09639
hex272fe3428c

168307147404 has 384 divisors, whose sum is σ = 512367206400. Its totient is φ = 47239200000.

The previous prime is 168307147397. The next prime is 168307147427. The reversal of 168307147404 is 404741703861.

168307147404 is a `hidden beast` number, since 168 + 307 + 147 + 40 + 4 = 666.

168307147404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 168307147404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 345599649 + ... + 345600135.

It is an arithmetic number, because the mean of its divisors is an integer number (1334289600).

Almost surely, 2168307147404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168307147404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256183603200).

168307147404 is an abundant number, since it is smaller than the sum of its proper divisors (344060058996).

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

168307147404 is a wasteful number, since it uses less digits than its factorization.

168307147404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842 (or 834 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 168307147404 in words is "one hundred sixty-eight billion, three hundred seven million, one hundred forty-seven thousand, four hundred four".