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52031401400 = 235211971571553
BaseRepresentation
bin110000011101010100…
…000010110110111000
311222022011021001110202
4300131110002312320
51323030014321100
635523005301332
73521246420546
oct603524026670
9158264231422
1052031401400
1120080407a90
12a101264848
134ba288cba4
142738440d96
151547dab7d5
hexc1d502db8

52031401400 has 192 divisors, whose sum is σ = 134266718880. Its totient is φ = 18594201600.

The previous prime is 52031401397. The next prime is 52031401423. The reversal of 52031401400 is 410413025.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33503024 + ... + 33504576.

Almost surely, 252031401400 is an apocalyptic number.

52031401400 is a gapful number since it is divisible by the number (50) 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 52031401400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67133359440).

52031401400 is an abundant number, since it is smaller than the sum of its proper divisors (82235317480).

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

52031401400 is a wasteful number, since it uses less digits than its factorization.

52031401400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834 (or 1825 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 52031401400 its reverse (410413025), we get a palindrome (52441814425).

The spelling of 52031401400 in words is "fifty-two billion, thirty-one million, four hundred one thousand, four hundred".