Search a number
-
+
130642243852 = 22739142730971
BaseRepresentation
bin111100110101011100…
…0100111000100001100
3110111012200102121120011
41321222320213010030
54120023403300402
6140003300403004
712303302515261
oct1715270470414
9414180377504
10130642243852
115045016047a
122139b9a6464
13c41cc71393
1464748cb268
1535e9427ed7
hex1e6ae2710c

130642243852 has 24 divisors (see below), whose sum is σ = 229101122880. Its totient is φ = 65184912720.

The previous prime is 130642243829. The next prime is 130642243931. The reversal of 130642243852 is 258342246031.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4202727 + ... + 4233697.

It is an arithmetic number, because the mean of its divisors is an integer number (9545880120).

Almost surely, 2130642243852 is an apocalyptic number.

It is an amenable number.

130642243852 is a deficient number, since it is larger than the sum of its proper divisors (98458879028).

130642243852 is a wasteful number, since it uses less digits than its factorization.

130642243852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33141 (or 33139 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

Adding to 130642243852 its reverse (258342246031), we get a palindrome (388984489883).

The spelling of 130642243852 in words is "one hundred thirty billion, six hundred forty-two million, two hundred forty-three thousand, eight hundred fifty-two".

Divisors: 1 2 4 739 1427 1478 2854 2956 5708 30971 61942 123884 1054553 2109106 4218212 22887569 44195617 45775138 88391234 91550276 176782468 32660560963 65321121926 130642243852