Search a number
-
+
123310130 = 2523541991
BaseRepresentation
bin1110101100110…
…01000000110010
322121000210200212
413112121000302
5223031411010
620122544122
73025055516
oct726310062
9277023625
10123310130
11636727a9
1235368042
131c715798
141253c146
15ac5b505
hex7599032

123310130 has 32 divisors (see below), whose sum is σ = 232270848. Its totient is φ = 47044800.

The previous prime is 123310127. The next prime is 123310141. The reversal of 123310130 is 31013321.

It is a Curzon 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, 123935 + ... + 124925.

It is an arithmetic number, because the mean of its divisors is an integer number (7258464).

Almost surely, 2123310130 is an apocalyptic number.

123310130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123310130 is a deficient number, since it is larger than the sum of its proper divisors (108960718).

123310130 is a wasteful number, since it uses less digits than its factorization.

123310130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 123310130 is about 11104.5094443654. The cubic root of 123310130 is about 497.7366095880.

Adding to 123310130 its reverse (31013321), we get a palindrome (154323451).

The spelling of 123310130 in words is "one hundred twenty-three million, three hundred ten thousand, one hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 541 991 1082 1982 2705 4955 5410 9910 12443 22793 24886 45586 62215 113965 124430 227930 536131 1072262 2680655 5361310 12331013 24662026 61655065 123310130