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121104758777740 = 2256055237938887
BaseRepresentation
bin11011100010010011100110…
…001000001010011110001100
3120212210111112212022202111121
4123202103212020022132030
5111333140021221341430
61105322431431330324
734336346550643243
oct3342234610123614
9525714485282447
10121104758777740
1135651270154371
12116baab68209a4
13527618c0a555a
1421c970456595a
15e0032ccaea7a
hex6e24e620a78c

121104758777740 has 12 divisors (see below), whose sum is σ = 254319993433296. Its totient is φ = 48441903511088.

The previous prime is 121104758777693. The next prime is 121104758777749. The reversal of 121104758777740 is 47777857401121.

It is a super-2 number, since 2×1211047587777402 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121104758777749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3027618969424 + ... + 3027618969463.

It is an arithmetic number, because the mean of its divisors is an integer number (21193332786108).

Almost surely, 2121104758777740 is an apocalyptic number.

121104758777740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121104758777740 is an abundant number, since it is smaller than the sum of its proper divisors (133215234655556).

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

121104758777740 is a wasteful number, since it uses less digits than its factorization.

121104758777740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6055237938896 (or 6055237938894 counting only the distinct ones).

The product of its (nonzero) digits is 21512960, while the sum is 61.

The spelling of 121104758777740 in words is "one hundred twenty-one trillion, one hundred four billion, seven hundred fifty-eight million, seven hundred seventy-seven thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 6055237938887 12110475877774 24220951755548 30276189694435 60552379388870 121104758777740