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12400143000 = 2335373715959
BaseRepresentation
bin10111000110001101…
…10010101010011000
31012000012001112100120
423203012302222120
5200343414034000
65410242033240
7616200322260
oct134306625230
935005045316
1012400143000
115293614a73
1224a0948820
13122802622b
14858c1c7a0
154c89616a0
hex2e31b2a98

12400143000 has 256 divisors, whose sum is σ = 45413222400. Its totient is φ = 2757542400.

The previous prime is 12400142999. The next prime is 12400143001. The reversal of 12400143000 is 34100421.

It is an interprime number because it is at equal distance from previous prime (12400142999) and next prime (12400143001).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12400143001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 769021 + ... + 784979.

It is an arithmetic number, because the mean of its divisors is an integer number (177395400).

Almost surely, 212400143000 is an apocalyptic number.

12400143000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12400143000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22706611200).

12400143000 is an abundant number, since it is smaller than the sum of its proper divisors (33013079400).

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

12400143000 is a wasteful number, since it uses less digits than its factorization.

12400143000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16027 (or 16013 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12400143000 its reverse (34100421), we get a palindrome (12434243421).

The spelling of 12400143000 in words is "twelve billion, four hundred million, one hundred forty-three thousand".