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121238364 = 22313777169
BaseRepresentation
bin1110011100111…
…11001101011100
322110010112202210
413032133031130
5222014111424
620010320420
73001336422
oct716371534
9273115683
10121238364
11624881a5
1234729110
131c16b7a0
141215d112
15a99c729
hex739f35c

121238364 has 24 divisors (see below), whose sum is σ = 304650640. Its totient is φ = 37304064.

The previous prime is 121238363. The next prime is 121238387. The reversal of 121238364 is 463832121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121238363) by changing a digit.

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, 388429 + ... + 388740.

Almost surely, 2121238364 is an apocalyptic number.

It is an amenable number.

121238364 is an abundant number, since it is smaller than the sum of its proper divisors (183412276).

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

121238364 is a wasteful number, since it uses less digits than its factorization.

121238364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777189 (or 777187 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 121238364 is about 11010.8293965532. The cubic root of 121238364 is about 494.9333161880.

The spelling of 121238364 in words is "one hundred twenty-one million, two hundred thirty-eight thousand, three hundred sixty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 777169 1554338 2331507 3108676 4663014 9326028 10103197 20206394 30309591 40412788 60619182 121238364