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121241477460 = 223520123100417
BaseRepresentation
bin111000011101010001…
…1100010000101010100
3102120221112020012102010
41300322203202011110
53441300304234320
6131410401344220
711521322361135
oct1607243420524
9376845205363
10121241477460
1147466720554
121b5b7638070
13b582471a0c
145c22191c8c
153248e85ae0
hex1c3a8e2154

121241477460 has 48 divisors (see below), whose sum is σ = 339496387776. Its totient is φ = 32329132032.

The previous prime is 121241477443. The next prime is 121241477471. The reversal of 121241477460 is 64774142121.

It is a happy number.

121241477460 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1157172 + ... + 1257588.

It is an arithmetic number, because the mean of its divisors is an integer number (7072841412).

Almost surely, 2121241477460 is an apocalyptic number.

121241477460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121241477460 is an abundant number, since it is smaller than the sum of its proper divisors (218254910316).

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

121241477460 is a wasteful number, since it uses less digits than its factorization.

121241477460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120552 (or 120550 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 39.

The spelling of 121241477460 in words is "one hundred twenty-one billion, two hundred forty-one million, four hundred seventy-seven thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 20123 40246 60369 80492 100417 100615 120738 200834 201230 241476 301251 301845 401668 402460 502085 602502 603690 1004170 1205004 1207380 1506255 2008340 3012510 6025020 2020691291 4041382582 6062073873 8082765164 10103456455 12124147746 20206912910 24248295492 30310369365 40413825820 60620738730 121241477460