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12400110340 = 2252415234919
BaseRepresentation
bin10111000110001101…
…01010101100000100
31012000011222212112221
423203012222230010
5200343412012330
65410241222124
7616200125122
oct134306525404
935004885487
1012400110340
1152935a2482
1224a0931944
1312280143c7
14858c10912
154c8956b7a
hex2e31aab04

12400110340 has 48 divisors (see below), whose sum is σ = 26203605120. Its totient is φ = 4929016320.

The previous prime is 12400110323. The next prime is 12400110341. The reversal of 12400110340 is 4301100421.

It is not an unprimeable number, because it can be changed into a prime (12400110341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2518401 + ... + 2523319.

It is an arithmetic number, because the mean of its divisors is an integer number (545908440).

Almost surely, 212400110340 is an apocalyptic number.

12400110340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12400110340 is an abundant number, since it is smaller than the sum of its proper divisors (13803494780).

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

12400110340 is a wasteful number, since it uses less digits than its factorization.

12400110340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5692 (or 5690 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12400110340 its reverse (4301100421), we get a palindrome (16701210761).

The spelling of 12400110340 in words is "twelve billion, four hundred million, one hundred ten thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 241 482 523 964 1046 1205 2092 2410 2615 4820 4919 5230 9838 10460 19676 24595 49190 98380 126043 252086 504172 630215 1185479 1260430 2370958 2520860 2572637 4741916 5145274 5927395 10290548 11854790 12863185 23709580 25726370 51452740 620005517 1240011034 2480022068 3100027585 6200055170 12400110340