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151530469878 = 2325255078313
BaseRepresentation
bin1000110100011111101…
…0110111100111110110
3112111010102022102212010
42031013322313213312
54440313300014003
6153340115505050
713643031512364
oct2150772674766
9474112272763
10151530469878
1159299aaa897
122544b2b8186
131139b67c538
147496b46634
153e1d147003
hex2347eb79f6

151530469878 has 8 divisors (see below), whose sum is σ = 303060939768. Its totient is φ = 50510156624.

The previous prime is 151530469847. The next prime is 151530469913. The reversal of 151530469878 is 878964035151.

It is a sphenic number, since it is the product of 3 distinct primes.

151530469878 is an admirable number.

It is a super-2 number, since 2×1515304698782 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12627539151 + ... + 12627539162.

It is an arithmetic number, because the mean of its divisors is an integer number (37882617471).

Almost surely, 2151530469878 is an apocalyptic number.

151530469878 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

151530469878 is a wasteful number, since it uses less digits than its factorization.

151530469878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25255078318.

The product of its (nonzero) digits is 7257600, while the sum is 57.

The spelling of 151530469878 in words is "one hundred fifty-one billion, five hundred thirty million, four hundred sixty-nine thousand, eight hundred seventy-eight".

Divisors: 1 2 3 6 25255078313 50510156626 75765234939 151530469878