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56840102154 = 23211809354847
BaseRepresentation
bin110100111011111011…
…110010000100001010
312102201021200100210200
4310323323302010022
51412402031232104
642040104353030
74051356616353
oct647373620412
9172637610720
1056840102154
1122118835040
12b023775776
13548abbc854
142a72d46d2a
15172a126b39
hexd3bef210a

56840102154 has 48 divisors (see below), whose sum is σ = 134515779840. Its totient is φ = 17202934080.

The previous prime is 56840102071. The next prime is 56840102159. The reversal of 56840102154 is 45120104865.

It is a happy number.

56840102154 is a `hidden beast` number, since 568 + 40 + 1 + 0 + 2 + 1 + 54 = 666.

It is not an unprimeable number, because it can be changed into a prime (56840102159) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 17242 + ... + 337605.

It is an arithmetic number, because the mean of its divisors is an integer number (2802412080).

Almost surely, 256840102154 is an apocalyptic number.

56840102154 is an abundant number, since it is smaller than the sum of its proper divisors (77675677686).

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

56840102154 is a wasteful number, since it uses less digits than its factorization.

56840102154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355675 (or 355672 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The spelling of 56840102154 in words is "fifty-six billion, eight hundred forty million, one hundred two thousand, one hundred fifty-four".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 809 1618 2427 4854 7281 8899 14562 17798 26697 53394 80091 160182 354847 709694 1064541 2129082 3193623 3903317 6387246 7806634 11709951 23419902 35129853 70259706 287071223 574142446 861213669 1722427338 2583641007 3157783453 5167282014 6315566906 9473350359 18946700718 28420051077 56840102154