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30561360554215 = 5232593498720551
BaseRepresentation
bin1101111001011100111110…
…00010100010100011100111
311000012122012202121120222201
412330232133002202203213
513001204131300213330
6144555410100035331
76302662001356621
oct674563702424347
9130178182546881
1030561360554215
119813000333087
123516bb5992b47
131408c01b6446a
1477926ba27c11
1537ee87811eca
hex1bcb9f0a28e7

30561360554215 has 32 divisors (see below), whose sum is σ = 38292436417536. Its totient is φ = 23371240780800.

The previous prime is 30561360554209. The next prime is 30561360554243. The reversal of 30561360554215 is 51245506316503.

It is not a de Polignac number, because 30561360554215 - 223 = 30561352165607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1487088190 + ... + 1487108740.

It is an arithmetic number, because the mean of its divisors is an integer number (1196638638048).

Almost surely, 230561360554215 is an apocalyptic number.

30561360554215 is a deficient number, since it is larger than the sum of its proper divisors (7731075863321).

30561360554215 is a wasteful number, since it uses less digits than its factorization.

30561360554215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28159.

The product of its (nonzero) digits is 1620000, while the sum is 46.

The spelling of 30561360554215 in words is "thirty trillion, five hundred sixty-one billion, three hundred sixty million, five hundred fifty-four thousand, two hundred fifteen".

Divisors: 1 5 23 115 2593 4987 12965 20551 24935 59639 102755 114701 298195 472673 573505 2363365 12931291 53288743 64656455 102487837 266443715 297419693 512439185 1225641089 1487098465 2357220251 6128205445 11786101255 265750961341 1328754806705 6112272110843 30561360554215