Search a number
-
+
2550136843 = 11812159303
BaseRepresentation
bin1001100000000000…
…0000000000001011
320120201112101002201
42120000000000023
520210313334333
61101014141031
7120123543202
oct23000000013
96521471081
102550136843
111099538611
125b2051777
13318434c17
141a2982239
15edd3117d
hex9800000b

2550136843 has 4 divisors (see below), whose sum is σ = 2552297328. Its totient is φ = 2547976360.

The previous prime is 2550136811. The next prime is 2550136861. The reversal of 2550136843 is 3486310552.

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 2550136843 - 25 = 2550136811 is a prime.

It is a super-3 number, since 3×25501368433 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2550134843) 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, 1078471 + ... + 1080832.

It is an arithmetic number, because the mean of its divisors is an integer number (638074332).

Almost surely, 22550136843 is an apocalyptic number.

2550136843 is a deficient number, since it is larger than the sum of its proper divisors (2160485).

2550136843 is a wasteful number, since it uses less digits than its factorization.

2550136843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160484.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 2550136843 is about 50498.8796212352. The cubic root of 2550136843 is about 1366.2216461100.

The spelling of 2550136843 in words is "two billion, five hundred fifty million, one hundred thirty-six thousand, eight hundred forty-three".

Divisors: 1 1181 2159303 2550136843