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121054601260 = 22537619727647
BaseRepresentation
bin111000010111101101…
…0101010000000101100
3102120110111120220110101
41300233122222000230
53440404434220020
6131340044120444
711513563063435
oct1605732520054
9376414526411
10121054601260
114738019170a
121b564b36124
13b552831098
145c0542848c
15323787000a
hex1c2f6aa02c

121054601260 has 96 divisors (see below), whose sum is σ = 268110839808. Its totient is φ = 45861396480.

The previous prime is 121054601243. The next prime is 121054601281. The reversal of 121054601260 is 62106450121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4364757 + ... + 4392403.

It is an arithmetic number, because the mean of its divisors is an integer number (2792821248).

Almost surely, 2121054601260 is an apocalyptic number.

121054601260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121054601260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134055419904).

121054601260 is an abundant number, since it is smaller than the sum of its proper divisors (147056238548).

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

121054601260 is a wasteful number, since it uses less digits than its factorization.

121054601260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27851 (or 27849 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 121054601260 in words is "one hundred twenty-one billion, fifty-four million, six hundred one thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 37 61 74 97 122 148 185 194 244 305 370 388 485 610 740 970 1220 1940 2257 3589 4514 5917 7178 9028 11285 11834 14356 17945 22570 23668 27647 29585 35890 45140 55294 59170 71780 110588 118340 138235 218929 276470 437858 552940 875716 1022939 1094645 1686467 2045878 2189290 2681759 3372934 4091756 4378580 5114695 5363518 6745868 8432335 10229390 10727036 13408795 16864670 20458780 26817590 33729340 53635180 62399279 99225083 124798558 163587299 198450166 249597116 311996395 327174598 396900332 496125415 623992790 654349196 817936495 992250830 1247985580 1635872990 1984501660 3271745980 6052730063 12105460126 24210920252 30263650315 60527300630 121054601260