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1231430150 = 25224628603
BaseRepresentation
bin100100101100110…
…0010001000000110
310011211011010121002
41021121202020012
510010221231100
6322105453302
742341661236
oct11131421006
93154133532
101231430150
11582123775
122a44a1232
1316817a3c2
14b9791cc6
15731982d5
hex49662206

1231430150 has 12 divisors (see below), whose sum is σ = 2290460172. Its totient is φ = 492572040.

The previous prime is 1231430129. The next prime is 1231430171. The reversal of 1231430150 is 510341321.

It is an interprime number because it is at equal distance from previous prime (1231430129) and next prime (1231430171).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12314252 + ... + 12314351.

It is an arithmetic number, because the mean of its divisors is an integer number (190871681).

Almost surely, 21231430150 is an apocalyptic number.

1231430150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231430150 is a deficient number, since it is larger than the sum of its proper divisors (1059030022).

1231430150 is a wasteful number, since it uses less digits than its factorization.

1231430150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24628615 (or 24628610 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1231430150 is about 35091.7390563648. The cubic root of 1231430150 is about 1071.8563721911.

Adding to 1231430150 its reverse (510341321), we get a palindrome (1741771471).

The spelling of 1231430150 in words is "one billion, two hundred thirty-one million, four hundred thirty thousand, one hundred fifty".

Divisors: 1 2 5 10 25 50 24628603 49257206 123143015 246286030 615715075 1231430150