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12245156124 = 2231020429677
BaseRepresentation
bin10110110011101111…
…00100000100011100
31011121101102101022220
423121313210010130
5200034224443444
65343024105340
7612306052425
oct133167440434
934541371286
1012245156124
115214087043
122458a65250
131201b9c516
148423d664c
154ba049619
hex2d9de411c

12245156124 has 12 divisors (see below), whose sum is σ = 28572030984. Its totient is φ = 4081718704.

The previous prime is 12245156051. The next prime is 12245156129. The reversal of 12245156124 is 42165154221.

It is a happy number.

12245156124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×122451561242 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12245156129) 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 3 ways as a sum of consecutive naturals, for example, 510214827 + ... + 510214850.

It is an arithmetic number, because the mean of its divisors is an integer number (2381002582).

Almost surely, 212245156124 is an apocalyptic number.

It is an amenable number.

12245156124 is an abundant number, since it is smaller than the sum of its proper divisors (16326874860).

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

12245156124 is a wasteful number, since it uses less digits than its factorization.

12245156124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020429684 (or 1020429682 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

The spelling of 12245156124 in words is "twelve billion, two hundred forty-five million, one hundred fifty-six thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 12 1020429677 2040859354 3061289031 4081718708 6122578062 12245156124