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121021484 = 2230255371
BaseRepresentation
bin1110011011010…
…10010000101100
322102201112021012
413031222100230
5221440141414
620001524352
72666444213
oct715522054
9272645235
10121021484
116234a261
12346436b8
131c0c3b5c
141210407a
15a95833e
hex736a42c

121021484 has 6 divisors (see below), whose sum is σ = 211787604. Its totient is φ = 60510740.

The previous prime is 121021477. The next prime is 121021493. The reversal of 121021484 is 484120121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15127682 + ... + 15127689.

It is an arithmetic number, because the mean of its divisors is an integer number (35297934).

Almost surely, 2121021484 is an apocalyptic number.

It is an amenable number.

121021484 is a deficient number, since it is larger than the sum of its proper divisors (90766120).

121021484 is a wasteful number, since it uses less digits than its factorization.

121021484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30255375 (or 30255373 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 121021484 is about 11000.9765021111. The cubic root of 121021484 is about 494.6380157999.

The spelling of 121021484 in words is "one hundred twenty-one million, twenty-one thousand, four hundred eighty-four".

Divisors: 1 2 4 30255371 60510742 121021484