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121263881352 = 23343117503761
BaseRepresentation
bin111000011101111100…
…0111111110010001000
3102121000002101102202220
41300323320333302020
53441322023200402
6131412521454040
711522013661455
oct1607370776210
9377002342686
10121263881352
1147478332969
121b603041320
13b586cb7363
145c2514482c
15324ae0ddbc
hex1c3be3fc88

121263881352 has 32 divisors (see below), whose sum is σ = 310209931680. Its totient is φ = 39481263360.

The previous prime is 121263881351. The next prime is 121263881399. The reversal of 121263881352 is 253188362121.

It is not an unprimeable number, because it can be changed into a prime (121263881351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58750849 + ... + 58752912.

It is an arithmetic number, because the mean of its divisors is an integer number (9694060365).

Almost surely, 2121263881352 is an apocalyptic number.

121263881352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121263881352 is an abundant number, since it is smaller than the sum of its proper divisors (188946050328).

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

121263881352 is a wasteful number, since it uses less digits than its factorization.

121263881352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117503813 (or 117503809 counting only the distinct ones).

The product of its digits is 138240, while the sum is 42.

The spelling of 121263881352 in words is "one hundred twenty-one billion, two hundred sixty-three million, eight hundred eighty-one thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 43 86 129 172 258 344 516 1032 117503761 235007522 352511283 470015044 705022566 940030088 1410045132 2820090264 5052661723 10105323446 15157985169 20210646892 30315970338 40421293784 60631940676 121263881352