Search a number
-
+
2754138157 is a prime number
BaseRepresentation
bin1010010000101000…
…1101000000101101
321002221101201021221
42210022031000231
521120024410112
61133142423341
7125151534211
oct24412150055
97087351257
102754138157
111193703841
1264a431b51
1334b790564
141c1ac6941
15111bcae07
hexa428d02d

2754138157 has 2 divisors, whose sum is σ = 2754138158. Its totient is φ = 2754138156.

The previous prime is 2754138133. The next prime is 2754138181. The reversal of 2754138157 is 7518314572.

It is a balanced prime because it is at equal distance from previous prime (2754138133) and next prime (2754138181).

It can be written as a sum of positive squares in only one way, i.e., 1535150761 + 1218987396 = 39181^2 + 34914^2 .

It is a cyclic number.

It is not a de Polignac number, because 2754138157 - 211 = 2754136109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2754138857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1377069078 + 1377069079.

It is an arithmetic number, because the mean of its divisors is an integer number (1377069079).

Almost surely, 22754138157 is an apocalyptic number.

It is an amenable number.

2754138157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2754138157 is an equidigital number, since it uses as much as digits as its factorization.

2754138157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 235200, while the sum is 43.

The square root of 2754138157 is about 52479.8833554344. The cubic root of 2754138157 is about 1401.7220572911.

The spelling of 2754138157 in words is "two billion, seven hundred fifty-four million, one hundred thirty-eight thousand, one hundred fifty-seven".