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1231013010 = 235172413751
BaseRepresentation
bin100100101011111…
…1100010010010010
310011210100221101110
41021113330102102
510010114404020
6322052514150
742335303133
oct11127742222
93153327343
101231013010
11581969327
122a431b956
13168062586
14b96c3c8a
15731148e0
hex495fc492

1231013010 has 32 divisors (see below), whose sum is σ = 3128222592. Its totient is φ = 308960000.

The previous prime is 1231012999. The next prime is 1231013011. The reversal of 1231013010 is 103101321.

It is not an unprimeable number, because it can be changed into a prime (1231013011) 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, 1206366 + ... + 1207385.

It is an arithmetic number, because the mean of its divisors is an integer number (97756956).

Almost surely, 21231013010 is an apocalyptic number.

1231013010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231013010 is an abundant number, since it is smaller than the sum of its proper divisors (1897209582).

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

1231013010 is a wasteful number, since it uses less digits than its factorization.

1231013010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413778.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1231013010 is about 35085.7949888555. The cubic root of 1231013010 is about 1071.7353300943.

Adding to 1231013010 its reverse (103101321), we get a palindrome (1334114331).

The spelling of 1231013010 in words is "one billion, two hundred thirty-one million, thirteen thousand, ten".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 2413751 4827502 7241253 12068755 14482506 24137510 36206265 41033767 72412530 82067534 123101301 205168835 246202602 410337670 615506505 1231013010