Search a number
-
+
2551002002201 = 65771192332531
BaseRepresentation
bin100101000111110011100…
…100010111001100011001
3100000212120201022201110002
4211013303210113030121
5313243423003032301
65231525242102345
7352206131150402
oct45076344271431
910025521281402
102551002002201
118a3968142424
123524994aa9b5
13156734c10473
148b67d5129a9
154655643016b
hex251f3917319

2551002002201 has 8 divisors (see below), whose sum is σ = 2551682294304. Its totient is φ = 2550321812160.

The previous prime is 2551002002179. The next prime is 2551002002231. The reversal of 2551002002201 is 1022002001552.

It is a happy number.

2551002002201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2551002002201 is a prime.

It is a super-2 number, since 2×25510020022012 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2551002002231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78401306 + ... + 78433836.

It is an arithmetic number, because the mean of its divisors is an integer number (318960286788).

Almost surely, 22551002002201 is an apocalyptic number.

It is an amenable number.

2551002002201 is a deficient number, since it is larger than the sum of its proper divisors (680292103).

2551002002201 is a wasteful number, since it uses less digits than its factorization.

2551002002201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51031.

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 2551002002201 its reverse (1022002001552), we get a palindrome (3573004003753).

The spelling of 2551002002201 in words is "two trillion, five hundred fifty-one billion, two million, two thousand, two hundred one".

Divisors: 1 6577 11923 32531 78417571 213956387 387867113 2551002002201