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5252180640 = 253573192373
BaseRepresentation
bin1001110010000110…
…11110101010100000
3111120000220102100220
410321003132222200
541224024240030
62225100243040
7244103541000
oct47103365240
914500812326
105252180640
1122557a0063
121026b40480
136591859c5
1437b788000
1520b16ba10
hex1390deaa0

5252180640 has 768 divisors, whose sum is σ = 21482496000. Its totient is φ = 1072963584.

The previous prime is 5252180629. The next prime is 5252180669. The reversal of 5252180640 is 460812525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 71947644 + ... + 71947716.

It is an arithmetic number, because the mean of its divisors is an integer number (27972000).

Almost surely, 25252180640 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 5252180640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10741248000).

5252180640 is an abundant number, since it is smaller than the sum of its proper divisors (16230315360).

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

5252180640 is a wasteful number, since it uses less digits than its factorization.

5252180640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 5252180640 is about 72471.9300143166. The cubic root of 5252180640 is about 1738.2539228722.

The spelling of 5252180640 in words is "five billion, two hundred fifty-two million, one hundred eighty thousand, six hundred forty".