Search a number
-
+
2312115430 = 251713600679
BaseRepresentation
bin1000100111010000…
…0001010011100110
312222010122122002211
42021310001103212
514213400143210
61021232354034
7111203441212
oct21164012346
95863578084
102312115430
11a871465a9
125463a591a
132ab027851
1417d103942
15d7eb638a
hex89d014e6

2312115430 has 16 divisors (see below), whose sum is σ = 4406620320. Its totient is φ = 870443392.

The previous prime is 2312115409. The next prime is 2312115431. The reversal of 2312115430 is 345112132.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312115431) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6800170 + ... + 6800509.

It is an arithmetic number, because the mean of its divisors is an integer number (275413770).

Almost surely, 22312115430 is an apocalyptic number.

2312115430 is a deficient number, since it is larger than the sum of its proper divisors (2094504890).

2312115430 is a wasteful number, since it uses less digits than its factorization.

2312115430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13600703.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2312115430 is about 48084.4614194648. The cubic root of 2312115430 is about 1322.3198092128.

Adding to 2312115430 its reverse (345112132), we get a palindrome (2657227562).

The spelling of 2312115430 in words is "two billion, three hundred twelve million, one hundred fifteen thousand, four hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 13600679 27201358 68003395 136006790 231211543 462423086 1156057715 2312115430