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121057160368 = 2451859145897
BaseRepresentation
bin111000010111110010…
…0011010110010110000
3102120110200101220220011
41300233210122302300
53440411113112433
6131340215024304
711513623612414
oct1605744326260
9376420356804
10121057160368
114738167a381
121b56596b094
13b553218b51
145c058d2d44
153237bc83cd
hex1c2f91acb0

121057160368 has 20 divisors (see below), whose sum is σ = 234554378680. Its totient is φ = 60526998144.

The previous prime is 121057160351. The next prime is 121057160381. The reversal of 121057160368 is 863061750121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 121057160368.

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, 756796 + ... + 902692.

It is an arithmetic number, because the mean of its divisors is an integer number (11727718934).

Almost surely, 2121057160368 is an apocalyptic number.

It is an amenable number.

121057160368 is a deficient number, since it is larger than the sum of its proper divisors (113497218312).

121057160368 is a wasteful number, since it uses less digits than its factorization.

121057160368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197764 (or 197758 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 121057160368 in words is "one hundred twenty-one billion, fifty-seven million, one hundred sixty thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 16 51859 103718 145897 207436 291794 414872 583588 829744 1167176 2334352 7566072523 15132145046 30264290092 60528580184 121057160368