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121037916 = 22311389261
BaseRepresentation
bin1110011011011…
…10010001011100
322102202100210210
413031232101130
5221441203131
620002132420
72666543136
oct715562134
9272670723
10121037916
116236063a
1234651110
131c0cb48c
141210a056
15a95d146
hex736e45c

121037916 has 24 divisors (see below), whose sum is σ = 284924304. Its totient is φ = 39988480.

The previous prime is 121037911. The next prime is 121037929. The reversal of 121037916 is 619730121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121037911) 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, 43275 + ... + 45986.

It is an arithmetic number, because the mean of its divisors is an integer number (11871846).

Almost surely, 2121037916 is an apocalyptic number.

It is an amenable number.

121037916 is an abundant number, since it is smaller than the sum of its proper divisors (163886388).

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

121037916 is a wasteful number, since it uses less digits than its factorization.

121037916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89381 (or 89379 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 121037916 is about 11001.7233195532. The cubic root of 121037916 is about 494.6604016985.

The spelling of 121037916 in words is "one hundred twenty-one million, thirty-seven thousand, nine hundred sixteen".

Divisors: 1 2 3 4 6 12 113 226 339 452 678 1356 89261 178522 267783 357044 535566 1071132 10086493 20172986 30259479 40345972 60518958 121037916