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240020130310400 = 28521129477931663
BaseRepresentation
bin110110100100110000001010…
…100110110010100100000000
31011110211200220120021210101202
4312210300022212302210000
5222424442211324413100
62210251420424120332
7101361611403241046
oct6644601246624400
91143750816253352
10240020130310400
116a528a69280590
1222b056140060a8
13a3c0a552280cb
14433b071826396
151cb371b1b77d5
hexda4c0a9b2900

240020130310400 has 864 divisors, whose sum is σ = 693397219737600. Its totient is φ = 81430813900800.

The previous prime is 240020130310399. The next prime is 240020130310451. The reversal of 240020130310400 is 4013031020042.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7580444969 + ... + 7580476631.

It is an arithmetic number, because the mean of its divisors is an integer number (802543078400).

Almost surely, 2240020130310400 is an apocalyptic number.

240020130310400 is a gapful number since it is divisible by the number (20) 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 240020130310400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346698609868800).

240020130310400 is an abundant number, since it is smaller than the sum of its proper divisors (453377089427200).

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

240020130310400 is a wasteful number, since it uses less digits than its factorization.

240020130310400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31855 (or 31836 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 240020130310400 its reverse (4013031020042), we get a palindrome (244033161330442).

The spelling of 240020130310400 in words is "two hundred forty trillion, twenty billion, one hundred thirty million, three hundred ten thousand, four hundred".