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5051255540 = 2253729323297
BaseRepresentation
bin1001011010001010…
…00000101011110100
3111001000211100221112
410231011000223310
540321110134130
62153121534152
7236113651352
oct45505005364
914030740845
105051255540
112162336061
12b8b7a4358
13626666606
1435cc047d2
151e86cd495
hex12d140af4

5051255540 has 48 divisors (see below), whose sum is σ = 10931980752. Its totient is φ = 1959100416.

The previous prime is 5051255533. The next prime is 5051255563. The reversal of 5051255540 is 455521505.

It can be written as a sum of positive squares in 8 ways, for example, as 204032656 + 4847222884 = 14284^2 + 69622^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5051255497 and 5051255506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205172 + ... + 228468.

It is an arithmetic number, because the mean of its divisors is an integer number (227749599).

Almost surely, 25051255540 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 5051255540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5465990376).

5051255540 is an abundant number, since it is smaller than the sum of its proper divisors (5880725212).

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

5051255540 is a wasteful number, since it uses less digits than its factorization.

5051255540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23636 (or 23634 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 32.

The square root of 5051255540 is about 71072.1854173628. The cubic root of 5051255540 is about 1715.7991430714.

The spelling of 5051255540 in words is "five billion, fifty-one million, two hundred fifty-five thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 37 74 148 185 293 370 586 740 1172 1465 2930 5860 10841 21682 23297 43364 46594 54205 93188 108410 116485 216820 232970 465940 861989 1723978 3447956 4309945 6826021 8619890 13652042 17239780 27304084 34130105 68260210 136520420 252562777 505125554 1010251108 1262813885 2525627770 5051255540