Search a number
-
+
5500001251 = 7969620269
BaseRepresentation
bin1010001111101001…
…10101101111100011
3112012022020000100001
411013310311233203
542231000020001
62305432040431
7253203145033
oct50764655743
915168200301
105500001251
112372675388
121095b33117
13698614414
143a26578c3
15222cc0001
hex147d35be3

5500001251 has 4 divisors (see below), whose sum is σ = 5569621600. Its totient is φ = 5430380904.

The previous prime is 5500001249. The next prime is 5500001291. The reversal of 5500001251 is 1521000055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5500001251 - 21 = 5500001249 is a prime.

It is a super-2 number, since 2×55000012512 = 60500027522003130002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5500001291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34810056 + ... + 34810213.

It is an arithmetic number, because the mean of its divisors is an integer number (1392405400).

Almost surely, 25500001251 is an apocalyptic number.

5500001251 is a deficient number, since it is larger than the sum of its proper divisors (69620349).

5500001251 is an equidigital number, since it uses as much as digits as its factorization.

5500001251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69620348.

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 5500001251 is about 74161.9933051964. The cubic root of 5500001251 is about 1765.1743014953.

The spelling of 5500001251 in words is "five billion, five hundred million, one thousand, two hundred fifty-one".

Divisors: 1 79 69620269 5500001251