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101231112130 = 25194328343783
BaseRepresentation
bin101111001000111011…
…0000010111111000010
3100200021222012022121021
41132101312002333002
53124310131042010
6114301022020054
710212413153461
oct1362166027702
9320258168537
10101231112130
1139a28361945
121775211762a
1397138a8165
144c8476c9d8
15297736d8da
hex1791d82fc2

101231112130 has 64 divisors (see below), whose sum is σ = 196964951040. Its totient is φ = 37335888576.

The previous prime is 101231112127. The next prime is 101231112133. The reversal of 101231112130 is 31211132101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (101231112127) and next prime (101231112133).

It is not an unprimeable number, because it can be changed into a prime (101231112133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2290219 + ... + 2334001.

It is an arithmetic number, because the mean of its divisors is an integer number (3077577360).

Almost surely, 2101231112130 is an apocalyptic number.

101231112130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101231112130 is a deficient number, since it is larger than the sum of its proper divisors (95733838910).

101231112130 is a wasteful number, since it uses less digits than its factorization.

101231112130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44135.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 101231112130 its reverse (31211132101), we get a palindrome (132442244231).

The spelling of 101231112130 in words is "one hundred one billion, two hundred thirty-one million, one hundred twelve thousand, one hundred thirty".

Divisors: 1 2 5 10 19 38 43 86 95 190 215 283 430 566 817 1415 1634 2830 4085 5377 8170 10754 12169 24338 26885 43783 53770 60845 87566 121690 218915 231211 437830 462422 831877 1156055 1663754 1882669 2312110 3765338 4159385 8318770 9413345 12390589 18826690 24781178 35770711 61952945 71541422 123905890 178853555 235421191 357707110 470842382 532795327 1065590654 1177105955 2354211910 2663976635 5327953270 10123111213 20246222426 50615556065 101231112130