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121840084 = 22191603159
BaseRepresentation
bin1110100001100…
…10000111010100
322111021010011201
413100302013110
5222142340314
620031242244
73006423622
oct720620724
9274233151
10121840084
1162859293
1234979384
131c31c632
1412278512
15aa6ab74
hex74321d4

121840084 has 12 divisors (see below), whose sum is σ = 224442400. Its totient is φ = 57713688.

The previous prime is 121840067. The next prime is 121840093. The reversal of 121840084 is 480048121.

It is a congruent 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, 801504 + ... + 801655.

Almost surely, 2121840084 is an apocalyptic number.

It is an amenable number.

121840084 is a deficient number, since it is larger than the sum of its proper divisors (102602316).

121840084 is a wasteful number, since it uses less digits than its factorization.

121840084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603182 (or 1603180 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 121840084 is about 11038.1195862339. The cubic root of 121840084 is about 495.7507690377.

The spelling of 121840084 in words is "one hundred twenty-one million, eight hundred forty thousand, eighty-four".

Divisors: 1 2 4 19 38 76 1603159 3206318 6412636 30460021 60920042 121840084