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52190910720 = 2832513563619
BaseRepresentation
bin110000100110110100…
…100001100100000000
311222201021101222010100
4300212310201210000
51323341333120340
635550504202400
73525224264364
oct604664414400
9158637358110
1052190910720
1120152454773
12a146769400
134bc993b1c0
1427516c32a4
151556db8830
hexc26d21900

52190910720 has 432 divisors, whose sum is σ = 195125636160. Its totient is φ = 12803457024.

The previous prime is 52190910719. The next prime is 52190910721. The reversal of 52190910720 is 2701909125.

52190910720 is a `hidden beast` number, since 521 + 9 + 0 + 9 + 107 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (52190910719) and next prime (52190910721).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (52190910721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 84314571 + ... + 84315189.

Almost surely, 252190910720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52190910720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97562818080).

52190910720 is an abundant number, since it is smaller than the sum of its proper divisors (142934725440).

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

52190910720 is a wasteful number, since it uses less digits than its factorization.

52190910720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222 (or 1205 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The spelling of 52190910720 in words is "fifty-two billion, one hundred ninety million, nine hundred ten thousand, seven hundred twenty".