Search a number
-
+
10122031230 = 235454774203
BaseRepresentation
bin10010110110101000…
…11111000001111110
3222010102101110111120
421123110133001332
5131212214444410
64352222131410
7505555563063
oct113324370176
928112343446
1010122031230
114324693973
121b65a20b66
13c54075abc
146c044ac6a
153e3965570
hex25b51f07e

10122031230 has 32 divisors (see below), whose sum is σ = 24298545024. Its totient is φ = 2698578336.

The previous prime is 10122031219. The next prime is 10122031267. The reversal of 10122031230 is 3213022101.

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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99309 + ... + 173511.

It is an arithmetic number, because the mean of its divisors is an integer number (759329532).

Almost surely, 210122031230 is an apocalyptic number.

10122031230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10122031230 is an abundant number, since it is smaller than the sum of its proper divisors (14176513794).

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

10122031230 is a wasteful number, since it uses less digits than its factorization.

10122031230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78760.

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

Adding to 10122031230 its reverse (3213022101), we get a palindrome (13335053331).

The spelling of 10122031230 in words is "ten billion, one hundred twenty-two million, thirty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 4547 9094 13641 22735 27282 45470 68205 74203 136410 148406 222609 371015 445218 742030 1113045 2226090 337401041 674802082 1012203123 1687005205 2024406246 3374010410 5061015615 10122031230