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20115151153 is a prime number
BaseRepresentation
bin10010101110111101…
…001101100100110001
31220220212012112221021
4102232331031210301
5312143434314103
613124001255441
71311320651356
oct225675154461
956825175837
1020115151153
118592529869
123a94634581
131b874c4806
14d8b6dc62d
157cae14bbd
hex4aef4d931

20115151153 has 2 divisors, whose sum is σ = 20115151154. Its totient is φ = 20115151152.

The previous prime is 20115151103. The next prime is 20115151157. The reversal of 20115151153 is 35115151102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15893140624 + 4222010529 = 126068^2 + 64977^2 .

It is a cyclic number.

It is not a de Polignac number, because 20115151153 - 225 = 20081596721 is a prime.

It is not a weakly prime, because it can be changed into another prime (20115151157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10057575576 + 10057575577.

It is an arithmetic number, because the mean of its divisors is an integer number (10057575577).

Almost surely, 220115151153 is an apocalyptic number.

It is an amenable number.

20115151153 is a deficient number, since it is larger than the sum of its proper divisors (1).

20115151153 is an equidigital number, since it uses as much as digits as its factorization.

20115151153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 750, while the sum is 25.

The spelling of 20115151153 in words is "twenty billion, one hundred fifteen million, one hundred fifty-one thousand, one hundred fifty-three".