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121319404 = 2271427181
BaseRepresentation
bin1110011101100…
…10111111101100
322110021122221021
413032302333230
5222024210104
620012143524
73002124613
oct716627754
9273248837
10121319404
1162533078
1234767ba4
131c19963b
141218087a
15a9b6754
hex73b2fec

121319404 has 12 divisors (see below), whose sum is σ = 215299728. Its totient is φ = 59805200.

The previous prime is 121319353. The next prime is 121319437. The reversal of 121319404 is 404913121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213307 + ... + 213874.

It is an arithmetic number, because the mean of its divisors is an integer number (17941644).

Almost surely, 2121319404 is an apocalyptic number.

It is an amenable number.

121319404 is a deficient number, since it is larger than the sum of its proper divisors (93980324).

121319404 is a wasteful number, since it uses less digits than its factorization.

121319404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427256 (or 427254 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 121319404 is about 11014.5087952210. The cubic root of 121319404 is about 495.0435685897.

The spelling of 121319404 in words is "one hundred twenty-one million, three hundred nineteen thousand, four hundred four".

Divisors: 1 2 4 71 142 284 427181 854362 1708724 30329851 60659702 121319404