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115243345340 = 22529198695423
BaseRepresentation
bin110101101010100001…
…0011110010110111100
3102000110111200111222122
41223111002132112330
53342004244022330
6124535252502112
711216560162364
oct1532502362674
9360414614878
10115243345340
1144968956072
121a40291a938
13ab378ab206
14581370b9a4
152ee75bb5e5
hex1ad509e5bc

115243345340 has 24 divisors (see below), whose sum is σ = 250356234240. Its totient is φ = 44507774528.

The previous prime is 115243345331. The next prime is 115243345367. The reversal of 115243345340 is 43543342511.

It is a self number, because there is not a number n which added to its sum of digits gives 115243345340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99347132 + ... + 99348291.

It is an arithmetic number, because the mean of its divisors is an integer number (10431509760).

Almost surely, 2115243345340 is an apocalyptic number.

115243345340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115243345340 is an abundant number, since it is smaller than the sum of its proper divisors (135112888900).

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

115243345340 is a wasteful number, since it uses less digits than its factorization.

115243345340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198695461 (or 198695459 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 115243345340 its reverse (43543342511), we get a palindrome (158786687851).

The spelling of 115243345340 in words is "one hundred fifteen billion, two hundred forty-three million, three hundred forty-five thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 198695423 397390846 794781692 993477115 1986954230 3973908460 5762167267 11524334534 23048669068 28810836335 57621672670 115243345340