Search a number
-
+
488535557130 = 23256538312669
BaseRepresentation
bin1110001101111101111…
…11010000010000001010
31201200222212211200011100
413012332333100100022
531001010100312010
61012232524242230
750203236501555
oct7067677202012
91650885750140
10488535557130
11179206649925
127a8216a0376
13370b7c3a87a
14199067b569c
15ca944012c0
hex71befd040a

488535557130 has 48 divisors (see below), whose sum is σ = 1272137766120. Its totient is φ = 130076628864.

The previous prime is 488535557063. The next prime is 488535557137. The reversal of 488535557130 is 31755535884.

488535557130 is a `hidden beast` number, since 4 + 8 + 8 + 5 + 35 + 5 + 571 + 30 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 264589870689 + 223945686441 = 514383^2 + 473229^2 .

It is not an unprimeable number, because it can be changed into a prime (488535557137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4097565 + ... + 4215104.

Almost surely, 2488535557130 is an apocalyptic number.

488535557130 is an abundant number, since it is smaller than the sum of its proper divisors (783602208990).

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

488535557130 is a wasteful number, since it uses less digits than its factorization.

488535557130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8313335 (or 8313332 counting only the distinct ones).

The product of its (nonzero) digits is 10080000, while the sum is 54.

The spelling of 488535557130 in words is "four hundred eighty-eight billion, five hundred thirty-five million, five hundred fifty-seven thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 653 1306 1959 3265 3918 5877 6530 9795 11754 19590 29385 58770 8312669 16625338 24938007 41563345 49876014 74814021 83126690 124690035 149628042 249380070 374070105 748140210 5428172857 10856345714 16284518571 27140864285 32569037142 48853555713 54281728570 81422592855 97707111426 162845185710 244267778565 488535557130