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122520903194780 = 2256126045159739
BaseRepresentation
bin11011110110111010011110…
…111010011001100010011100
3121001210212212101212220201022
4123312322132322121202130
5112024340302204213110
61112325154221103312
734543562124611456
oct3366723672314234
9531725771786638
10122520903194780
1136047906816082
12118a94566b7b38
13534989665b2cc
142238086d772d6
15e270b3440755
hex6f6e9ee9989c

122520903194780 has 12 divisors (see below), whose sum is σ = 257293896709080. Its totient is φ = 49008361277904.

The previous prime is 122520903194741. The next prime is 122520903194827. The reversal of 122520903194780 is 87491309025221.

It is a super-3 number, since 3×1225209031947803 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 3063022579850 + ... + 3063022579889.

It is an arithmetic number, because the mean of its divisors is an integer number (21441158059090).

Almost surely, 2122520903194780 is an apocalyptic number.

122520903194780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122520903194780 is an abundant number, since it is smaller than the sum of its proper divisors (134772993514300).

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

122520903194780 is a wasteful number, since it uses less digits than its factorization.

122520903194780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6126045159748 (or 6126045159746 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 122520903194780 in words is "one hundred twenty-two trillion, five hundred twenty billion, nine hundred three million, one hundred ninety-four thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 6126045159739 12252090319478 24504180638956 30630225798695 61260451597390 122520903194780