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121045069 = 4722311549
BaseRepresentation
bin1110011011100…
…00000001001101
322102202201121201
413031300001031
5221441420234
620002225501
72666603035
oct715600115
9272681551
10121045069
1162365a52
1234655291
131c101802
141210c8c5
15a960314
hex737004d

121045069 has 8 divisors (see below), whose sum is σ = 124185600. Its totient is φ = 117928176.

The previous prime is 121045063. The next prime is 121045087. The reversal of 121045069 is 960540121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121045069 - 23 = 121045061 is a prime.

It is a super-2 number, since 2×1210450692 = 29303817458429522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121045061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4707 + ... + 16255.

It is an arithmetic number, because the mean of its divisors is an integer number (15523200).

Almost surely, 2121045069 is an apocalyptic number.

It is an amenable number.

121045069 is a deficient number, since it is larger than the sum of its proper divisors (3140531).

121045069 is a wasteful number, since it uses less digits than its factorization.

121045069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11819.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 121045069 is about 11002.0484001844. The cubic root of 121045069 is about 494.6701458522.

The spelling of 121045069 in words is "one hundred twenty-one million, forty-five thousand, sixty-nine".

Divisors: 1 47 223 10481 11549 542803 2575427 121045069