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121102988 = 2231976637
BaseRepresentation
bin1110011011111…
…10001010001100
322102212200001212
413031332022030
5222000243423
620003353552
73000233636
oct715761214
9272780055
10121102988
11623a5516
12346828b8
131c121c96
1412125a56
15a972578
hex737e28c

121102988 has 12 divisors (see below), whose sum is σ = 218766912. Its totient is φ = 58598160.

The previous prime is 121102967. The next prime is 121102999. The reversal of 121102988 is 889201121.

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, 488195 + ... + 488442.

It is an arithmetic number, because the mean of its divisors is an integer number (18230576).

Almost surely, 2121102988 is an apocalyptic number.

It is an amenable number.

121102988 is a deficient number, since it is larger than the sum of its proper divisors (97663924).

121102988 is a wasteful number, since it uses less digits than its factorization.

121102988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976672 (or 976670 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 32.

The square root of 121102988 is about 11004.6802770458. The cubic root of 121102988 is about 494.7490317083.

The spelling of 121102988 in words is "one hundred twenty-one million, one hundred two thousand, nine hundred eighty-eight".

Divisors: 1 2 4 31 62 124 976637 1953274 3906548 30275747 60551494 121102988