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121038912 = 26321747263
BaseRepresentation
bin1110011011011…
…10100001000000
322102202102011200
413031232201000
5221441221122
620002141200
72666546061
oct715564100
9272672150
10121038912
1162361365
1234651800
131c0cba77
141210a568
15a95d5ac
hex736e840

121038912 has 168 divisors, whose sum is σ = 376586496. Its totient is φ = 37023744.

The previous prime is 121038901. The next prime is 121038919. The reversal of 121038912 is 219830121.

It is not an unprimeable number, because it can be changed into a prime (121038919) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 460093 + ... + 460355.

Almost surely, 2121038912 is an apocalyptic number.

121038912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121038912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188293248).

121038912 is an abundant number, since it is smaller than the sum of its proper divisors (255547584).

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

121038912 is a wasteful number, since it uses less digits than its factorization.

121038912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 121038912 is about 11001.7685850958. The cubic root of 121038912 is about 494.6617585197.

The spelling of 121038912 in words is "one hundred twenty-one million, thirty-eight thousand, nine hundred twelve".