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130405274564 = 2232601318641
BaseRepresentation
bin111100101110011000…
…0101001001111000100
3110110121011112022210212
41321130300221033010
54114032222241224
6135523553334552
712264364354565
oct1713460511704
9413534468725
10130405274564
1150339417994
1221334567458
13c3b2b41b76
14645124416c
1535d3719d0e
hex1e5cc293c4

130405274564 has 6 divisors (see below), whose sum is σ = 228209230494. Its totient is φ = 65202637280.

The previous prime is 130405274563. The next prime is 130405274567. The reversal of 130405274564 is 465472504031.

It can be written as a sum of positive squares in only one way, i.e., 113844158464 + 16561116100 = 337408^2 + 128690^2 .

It is a super-2 number, since 2×1304052745642 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130405274561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16300659317 + ... + 16300659324.

It is an arithmetic number, because the mean of its divisors is an integer number (38034871749).

Almost surely, 2130405274564 is an apocalyptic number.

It is an amenable number.

130405274564 is a deficient number, since it is larger than the sum of its proper divisors (97803955930).

130405274564 is a wasteful number, since it uses less digits than its factorization.

130405274564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32601318645 (or 32601318643 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 41.

Adding to 130405274564 its reverse (465472504031), we get a palindrome (595877778595).

The spelling of 130405274564 in words is "one hundred thirty billion, four hundred five million, two hundred seventy-four thousand, five hundred sixty-four".

Divisors: 1 2 4 32601318641 65202637282 130405274564