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121255048 = 2316392987
BaseRepresentation
bin1110011101000…
…11010010001000
322110011101122201
413032203102020
5222020130143
620010525544
73001436155
oct716432210
9273141581
10121255048
1162499792
12347368b4
131c176265
141216522c
15a9a264d
hex73a3488

121255048 has 16 divisors (see below), whose sum is σ = 228750480. Its totient is φ = 60254928.

The previous prime is 121255037. The next prime is 121255049. The reversal of 121255048 is 840552121.

It is not an unprimeable number, because it can be changed into a prime (121255049) 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, 45190 + ... + 47797.

It is an arithmetic number, because the mean of its divisors is an integer number (14296905).

Almost surely, 2121255048 is an apocalyptic number.

It is an amenable number.

121255048 is a deficient number, since it is larger than the sum of its proper divisors (107495432).

121255048 is a wasteful number, since it uses less digits than its factorization.

121255048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93156 (or 93152 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 121255048 is about 11011.5869882592. The cubic root of 121255048 is about 494.9560182669.

The spelling of 121255048 in words is "one hundred twenty-one million, two hundred fifty-five thousand, forty-eight".

Divisors: 1 2 4 8 163 326 652 1304 92987 185974 371948 743896 15156881 30313762 60627524 121255048