Search a number
-
+
15055215001 is a prime number
BaseRepresentation
bin11100000010101110…
…00101100110011001
31102212020001011102121
432001113011212121
5221313113340001
610525525301241
71042040134051
oct160127054631
942766034377
1015055215001
116426304952
122b01b64821
13155c10c058
14a2b6b8561
155d1abe6a1
hex3815c5999

15055215001 has 2 divisors, whose sum is σ = 15055215002. Its totient is φ = 15055215000.

The previous prime is 15055214989. The next prime is 15055215031. The reversal of 15055215001 is 10051255051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13882494976 + 1172720025 = 117824^2 + 34245^2 .

It is a cyclic number.

It is not a de Polignac number, because 15055215001 - 219 = 15054690713 is a prime.

It is not a weakly prime, because it can be changed into another prime (15055215031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7527607500 + 7527607501.

It is an arithmetic number, because the mean of its divisors is an integer number (7527607501).

Almost surely, 215055215001 is an apocalyptic number.

It is an amenable number.

15055215001 is a deficient number, since it is larger than the sum of its proper divisors (1).

15055215001 is an equidigital number, since it uses as much as digits as its factorization.

15055215001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1250, while the sum is 25.

The spelling of 15055215001 in words is "fifteen billion, fifty-five million, two hundred fifteen thousand, one".