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10203112230 = 235379191993
BaseRepresentation
bin10011000000010011…
…10010001100100110
3222100001221210201120
421200021302030212
5131343444042410
64404240034410
7510562010613
oct114011621446
928301853646
1010203112230
114366433263
121b89002a06
13c67ac421c
146cb11550a
153eab2e570
hex260272326

10203112230 has 32 divisors (see below), whose sum is σ = 25149295584. Its totient is φ = 2647293696.

The previous prime is 10203112217. The next prime is 10203112261. The reversal of 10203112230 is 3221130201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4594887 + ... + 4597106.

It is an arithmetic number, because the mean of its divisors is an integer number (785915487).

Almost surely, 210203112230 is an apocalyptic number.

10203112230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10203112230 is an abundant number, since it is smaller than the sum of its proper divisors (14946183354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10203112230 is a wasteful number, since it uses less digits than its factorization.

10203112230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9192040.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10203112230 its reverse (3221130201), we get a palindrome (13424242431).

The spelling of 10203112230 in words is "ten billion, two hundred three million, one hundred twelve thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 37 74 111 185 222 370 555 1110 9191993 18383986 27575979 45959965 55151958 91919930 137879895 275759790 340103741 680207482 1020311223 1700518705 2040622446 3401037410 5101556115 10203112230