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121053512 = 2331488119
BaseRepresentation
bin1110011011100…
…10000101001000
322102210011012102
413031302011020
5221442203022
620002332532
72666636456
oct715620510
9272704172
10121053512
1162371328
123465a148
131c1055c8
14121119d6
15a962a92
hex7372148

121053512 has 16 divisors (see below), whose sum is σ = 234297600. Its totient is φ = 58574160.

The previous prime is 121053473. The next prime is 121053521. The reversal of 121053512 is 215350121.

It is a happy number.

It is a super-3 number, since 3×1210535123 (a number of 25 digits) contains 333 as substring.

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, 243812 + ... + 244307.

It is an arithmetic number, because the mean of its divisors is an integer number (14643600).

Almost surely, 2121053512 is an apocalyptic number.

It is an amenable number.

121053512 is a deficient number, since it is larger than the sum of its proper divisors (113244088).

121053512 is a wasteful number, since it uses less digits than its factorization.

121053512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488156 (or 488152 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 121053512 is about 11002.4320947689. The cubic root of 121053512 is about 494.6816468107.

The spelling of 121053512 in words is "one hundred twenty-one million, fifty-three thousand, five hundred twelve".

Divisors: 1 2 4 8 31 62 124 248 488119 976238 1952476 3904952 15131689 30263378 60526756 121053512