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121994934 = 23191070131
BaseRepresentation
bin1110100010101…
…11111010110110
322111112222120220
413101113322312
5222212314214
620034435210
73010640235
oct721277266
9274488526
10121994934
1162954666
1234a32b06
131c374c69
14122b8b1c
15aa9b9a9
hex7457eb6

121994934 has 16 divisors (see below), whose sum is σ = 256831680. Its totient is φ = 38524680.

The previous prime is 121994927. The next prime is 121994963. The reversal of 121994934 is 439499121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534952 + ... + 535179.

It is an arithmetic number, because the mean of its divisors is an integer number (16051980).

Almost surely, 2121994934 is an apocalyptic number.

121994934 is an abundant number, since it is smaller than the sum of its proper divisors (134836746).

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

121994934 is a wasteful number, since it uses less digits than its factorization.

121994934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070155.

The product of its digits is 69984, while the sum is 42.

The square root of 121994934 is about 11045.1316877618. The cubic root of 121994934 is about 495.9607013392.

The spelling of 121994934 in words is "one hundred twenty-one million, nine hundred ninety-four thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 19 38 57 114 1070131 2140262 3210393 6420786 20332489 40664978 60997467 121994934