Search a number
-
+
868760572500 = 223354472511091
BaseRepresentation
bin11001010010001100010…
…10100101001001010100
310002001102102021201222000
430221012022211021110
5103213210201310000
61503034134035300
7116523461011302
oct14510612451124
93061372251860
10868760572500
11305491770617
121204561a8b30
1363c016a6772
1430096507272
15178e9bca000
hexca462a5254

868760572500 has 480 divisors, whose sum is σ = 2888507381760. Its totient is φ = 225630000000.

The previous prime is 868760572487. The next prime is 868760572517. The reversal of 868760572500 is 5275067868.

868760572500 is a `hidden beast` number, since 8 + 6 + 8 + 7 + 60 + 5 + 72 + 500 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 796296955 + ... + 796298045.

It is an arithmetic number, because the mean of its divisors is an integer number (6017723712).

Almost surely, 2868760572500 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 868760572500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1444253690880).

868760572500 is an abundant number, since it is smaller than the sum of its proper divisors (2019746809260).

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

868760572500 is a wasteful number, since it uses less digits than its factorization.

868760572500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422 (or 1399 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 54.

The spelling of 868760572500 in words is "eight hundred sixty-eight billion, seven hundred sixty million, five hundred seventy-two thousand, five hundred".