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121070412 = 223211932819
BaseRepresentation
bin1110011011101…
…10001101001100
322102211000101100
413031312031030
5221443223122
620002543100
73000036651
oct715661514
9272730340
10121070412
1162382aa1
1234667a90
131c1101c8
1412117c28
15a967aac
hex737634c

121070412 has 36 divisors (see below), whose sum is σ = 306404280. Its totient is φ = 40308672.

The previous prime is 121070377. The next prime is 121070429. The reversal of 121070412 is 214070121.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41539 + ... + 44357.

It is an arithmetic number, because the mean of its divisors is an integer number (8511230).

Almost surely, 2121070412 is an apocalyptic number.

121070412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121070412 is an abundant number, since it is smaller than the sum of its proper divisors (185333868).

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

121070412 is a wasteful number, since it uses less digits than its factorization.

121070412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4022 (or 4017 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 121070412 is about 11003.2000799767. The cubic root of 121070412 is about 494.7046661919.

The spelling of 121070412 in words is "one hundred twenty-one million, seventy thousand, four hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 1193 2386 2819 3579 4772 5638 7158 8457 10737 11276 14316 16914 21474 25371 33828 42948 50742 101484 3363067 6726134 10089201 13452268 20178402 30267603 40356804 60535206 121070412