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12452530340 = 2251274902571
BaseRepresentation
bin10111001100011101…
…01000100010100100
31012010211122002021102
423212032220202210
5201000321432330
65415352535232
7620404522115
oct134616504244
935124562242
1012452530340
115310146398
1224b63b1518
131235b39163
14861b7820c
154cd35d945
hex2e63a88a4

12452530340 has 24 divisors (see below), whose sum is σ = 26356227072. Its totient is φ = 4941790560.

The previous prime is 12452530333. The next prime is 12452530357. The reversal of 12452530340 is 4303525421.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2448746 + ... + 2453825.

It is an arithmetic number, because the mean of its divisors is an integer number (1098176128).

Almost surely, 212452530340 is an apocalyptic number.

12452530340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12452530340 is an abundant number, since it is smaller than the sum of its proper divisors (13903696732).

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

12452530340 is a wasteful number, since it uses less digits than its factorization.

12452530340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4902707 (or 4902705 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The spelling of 12452530340 in words is "twelve billion, four hundred fifty-two million, five hundred thirty thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 127 254 508 635 1270 2540 4902571 9805142 19610284 24512855 49025710 98051420 622626517 1245253034 2490506068 3113132585 6226265170 12452530340