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12413141540 = 225620657077
BaseRepresentation
bin10111000111110000…
…11000001000100100
31012001002111220222222
423203320120020210
5200410231012130
65411424411512
7616415651012
oct134370301044
935032456888
1012413141540
11529a992a68
1224a5176b98
13122a927887
1485a8438b2
154c9b7cce5
hex2e3e18224

12413141540 has 12 divisors (see below), whose sum is σ = 26067597276. Its totient is φ = 4965256608.

The previous prime is 12413141479. The next prime is 12413141557. The reversal of 12413141540 is 4514131421.

It can be written as a sum of positive squares in 2 ways, for example, as 8558470144 + 3854671396 = 92512^2 + 62086^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310328519 + ... + 310328558.

It is an arithmetic number, because the mean of its divisors is an integer number (2172299773).

Almost surely, 212413141540 is an apocalyptic number.

12413141540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12413141540 is an abundant number, since it is smaller than the sum of its proper divisors (13654455736).

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

12413141540 is a wasteful number, since it uses less digits than its factorization.

12413141540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620657086 (or 620657084 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 12413141540 its reverse (4514131421), we get a palindrome (16927272961).

The spelling of 12413141540 in words is "twelve billion, four hundred thirteen million, one hundred forty-one thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 620657077 1241314154 2482628308 3103285385 6206570770 12413141540