Search a number
-
+
2551020023 = 83167184043
BaseRepresentation
bin1001100000001101…
…0111100111110111
320120210012020121002
42120003113213313
520211030120043
61101045113515
7120134212106
oct23003274767
96523166532
102551020023
111099a91112
125b23b889b
13318683c06
141a2b3203d
15ede57bb8
hex980d79f7

2551020023 has 8 divisors (see below), whose sum is σ = 2597228928. Its totient is φ = 2505179704.

The previous prime is 2551020007. The next prime is 2551020053. The reversal of 2551020023 is 3200201552.

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

It is not a de Polignac number, because 2551020023 - 24 = 2551020007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2551019977 and 2551020004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551020053) 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, 78161 + ... + 105882.

It is an arithmetic number, because the mean of its divisors is an integer number (324653616).

Almost surely, 22551020023 is an apocalyptic number.

2551020023 is a deficient number, since it is larger than the sum of its proper divisors (46208905).

2551020023 is a wasteful number, since it uses less digits than its factorization.

2551020023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184293.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 2551020023 is about 50507.6234146886. The cubic root of 2551020023 is about 1366.3793474988.

Adding to 2551020023 its reverse (3200201552), we get a palindrome (5751221575).

The spelling of 2551020023 in words is "two billion, five hundred fifty-one million, twenty thousand, twenty-three".

Divisors: 1 83 167 13861 184043 15275569 30735181 2551020023