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23302144340 = 2251165107217
BaseRepresentation
bin10101101100111010…
…101000000101010100
32020010222002120200222
4111230322220011110
5340210322104330
614412125453512
71453306646606
oct255472500524
966128076628
1023302144340
1199784a8a32
124623a11298
13227485acb7
1411b0a9d176
15915ae40e5
hex56cea8154

23302144340 has 12 divisors (see below), whose sum is σ = 48934503156. Its totient is φ = 9320857728.

The previous prime is 23302144339. The next prime is 23302144367. The reversal of 23302144340 is 4344120332.

It can be written as a sum of positive squares in 2 ways, for example, as 5803087684 + 17499056656 = 76178^2 + 132284^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582553589 + ... + 582553628.

It is an arithmetic number, because the mean of its divisors is an integer number (4077875263).

Almost surely, 223302144340 is an apocalyptic number.

23302144340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23302144340 is an abundant number, since it is smaller than the sum of its proper divisors (25632358816).

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

23302144340 is a wasteful number, since it uses less digits than its factorization.

23302144340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165107226 (or 1165107224 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 23302144340 its reverse (4344120332), we get a palindrome (27646264672).

The spelling of 23302144340 in words is "twenty-three billion, three hundred two million, one hundred forty-four thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 1165107217 2330214434 4660428868 5825536085 11651072170 23302144340