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1230232130 = 251132833847
BaseRepresentation
bin100100101010011…
…1101101001000010
310011201220021012222
41021110331221002
510004414412010
6322024051042
742325541411
oct11124755102
93151807188
101230232130
11581485676
122a4003a82
13167b4b00a
14b955d478
157300d355
hex4953da42

1230232130 has 32 divisors (see below), whose sum is σ = 2242491264. Its totient is φ = 485888256.

The previous prime is 1230232127. The next prime is 1230232139. The reversal of 1230232130 is 312320321.

It is a junction number, because it is equal to n+sod(n) for n = 1230232099 and 1230232108.

It is not an unprimeable number, because it can be changed into a prime (1230232139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317867 + ... + 321713.

It is an arithmetic number, because the mean of its divisors is an integer number (70077852).

Almost surely, 21230232130 is an apocalyptic number.

1230232130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1230232130 is a deficient number, since it is larger than the sum of its proper divisors (1012259134).

1230232130 is a wasteful number, since it uses less digits than its factorization.

1230232130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4250.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1230232130 is about 35074.6650732405. The cubic root of 1230232130 is about 1071.5086675275.

Adding to 1230232130 its reverse (312320321), we get a palindrome (1542552451).

The spelling of 1230232130 in words is "one billion, two hundred thirty million, two hundred thirty-two thousand, one hundred thirty".

Divisors: 1 2 5 10 113 226 283 565 566 1130 1415 2830 3847 7694 19235 31979 38470 63958 159895 319790 434711 869422 1088701 2173555 2177402 4347110 5443505 10887010 123023213 246046426 615116065 1230232130