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12303231410 = 2510091219349
BaseRepresentation
bin10110111010101010…
…00110100110110010
31011202102200220122102
423131111012212302
5200144111401120
65352500540402
7613612512221
oct133525064662
934672626572
1012303231410
115243942948
1224743b1702
131210c243b2
14849dd2cb8
154c01bbd75
hex2dd5469b2

12303231410 has 16 divisors (see below), whose sum is σ = 22167783000. Its totient is φ = 4916411136.

The previous prime is 12303231403. The next prime is 12303231419. The reversal of 12303231410 is 1413230321.

It can be written as a sum of positive squares in 4 ways, for example, as 7855808689 + 4447422721 = 88633^2 + 66689^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12303231419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 599585 + ... + 619764.

Almost surely, 212303231410 is an apocalyptic number.

12303231410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12303231410 is a deficient number, since it is larger than the sum of its proper divisors (9864551590).

12303231410 is a wasteful number, since it uses less digits than its factorization.

12303231410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220365.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12303231410 its reverse (1413230321), we get a palindrome (13716461731).

The spelling of 12303231410 in words is "twelve billion, three hundred three million, two hundred thirty-one thousand, four hundred ten".

Divisors: 1 2 5 10 1009 2018 5045 10090 1219349 2438698 6096745 12193490 1230323141 2460646282 6151615705 12303231410