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12133823802 = 234149324487
BaseRepresentation
bin10110100110011101…
…10111010100111010
31011022121221010002120
423103032313110322
5144322224330202
65324005542110
7606454541412
oct132316672472
934277833076
1012133823802
115167255461
122427714936
1311b4abb8c9
148316d5642
154b03a70bc
hex2d33b753a

12133823802 has 16 divisors (see below), whose sum is σ = 24859541952. Its totient is φ = 3945958880.

The previous prime is 12133823789. The next prime is 12133823803. The reversal of 12133823802 is 20832833121.

It is not an unprimeable number, because it can be changed into a prime (12133823803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24661998 + ... + 24662489.

It is an arithmetic number, because the mean of its divisors is an integer number (1553721372).

Almost surely, 212133823802 is an apocalyptic number.

12133823802 is an abundant number, since it is smaller than the sum of its proper divisors (12725718150).

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

12133823802 is a wasteful number, since it uses less digits than its factorization.

12133823802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49324533.

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 12133823802 in words is "twelve billion, one hundred thirty-three million, eight hundred twenty-three thousand, eight hundred two".

Divisors: 1 2 3 6 41 82 123 246 49324487 98648974 147973461 295946922 2022303967 4044607934 6066911901 12133823802