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2151514501 is a prime number
BaseRepresentation
bin1000000000111101…
…1000000110000101
312112221110021001021
42000033120012011
513401241431001
6553254231141
7104213400013
oct20017300605
95487407037
102151514501
11a04523764
125006554b1
13283986706
14165a598b3
15c8d40ba1
hex803d8185

2151514501 has 2 divisors, whose sum is σ = 2151514502. Its totient is φ = 2151514500.

The previous prime is 2151514499. The next prime is 2151514511. The reversal of 2151514501 is 1054151512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1242492001 + 909022500 = 35249^2 + 30150^2 .

It is a cyclic number.

It is not a de Polignac number, because 2151514501 - 21 = 2151514499 is a prime.

Together with 2151514499, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2151514511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075757250 + 1075757251.

It is an arithmetic number, because the mean of its divisors is an integer number (1075757251).

Almost surely, 22151514501 is an apocalyptic number.

It is an amenable number.

2151514501 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151514501 is an equidigital number, since it uses as much as digits as its factorization.

2151514501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1000, while the sum is 25.

The square root of 2151514501 is about 46384.4208867590. The cubic root of 2151514501 is about 1290.9658653910.

The spelling of 2151514501 in words is "two billion, one hundred fifty-one million, five hundred fourteen thousand, five hundred one".