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12402221514 = 2317149816043
BaseRepresentation
bin10111000110011101…
…01110000111001010
31012000022222010112120
423203032232013022
5200344432042024
65410354352110
7616224100134
oct134316560712
935008863476
1012402221514
115294804651
1224a158b636
1312285a3317
14859200054
154c8c22479
hex2e33ae1ca

12402221514 has 32 divisors (see below), whose sum is σ = 26439825600. Its totient is φ = 3864774912.

The previous prime is 12402221477. The next prime is 12402221539. The reversal of 12402221514 is 41512220421.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392824 + ... + 423219.

It is an arithmetic number, because the mean of its divisors is an integer number (826244550).

Almost surely, 212402221514 is an apocalyptic number.

12402221514 is an abundant number, since it is smaller than the sum of its proper divisors (14037604086).

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

12402221514 is a wasteful number, since it uses less digits than its factorization.

12402221514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816214.

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 12402221514 its reverse (41512220421), we get a palindrome (53914441935).

The spelling of 12402221514 in words is "twelve billion, four hundred two million, two hundred twenty-one thousand, five hundred fourteen".

Divisors: 1 2 3 6 17 34 51 102 149 298 447 894 2533 5066 7599 15198 816043 1632086 2448129 4896258 13872731 27745462 41618193 83236386 121590407 243180814 364771221 729542442 2067036919 4134073838 6201110757 12402221514