Search a number
-
+
2754250311557 is a prime number
BaseRepresentation
bin101000000101000110000…
…111001000011110000101
3100202022012102212121200102
4220011012013020132011
5330111201034432212
65505141330453445
7402662614241153
oct50050607103605
910668172777612
102754250311557
11972086552508
12385960a34285
1316c9561b3b84
1497440b963d3
154b99eb465c2
hex281461c8785

2754250311557 has 2 divisors, whose sum is σ = 2754250311558. Its totient is φ = 2754250311556.

The previous prime is 2754250311523. The next prime is 2754250311569. The reversal of 2754250311557 is 7551130524572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1698958440481 + 1055291871076 = 1303441^2 + 1027274^2 .

It is a cyclic number.

It is not a de Polignac number, because 2754250311557 - 212 = 2754250307461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2754250311157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1377125155778 + 1377125155779.

It is an arithmetic number, because the mean of its divisors is an integer number (1377125155779).

Almost surely, 22754250311557 is an apocalyptic number.

It is an amenable number.

2754250311557 is a deficient number, since it is larger than the sum of its proper divisors (1).

2754250311557 is an equidigital number, since it uses as much as digits as its factorization.

2754250311557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1470000, while the sum is 47.

The spelling of 2754250311557 in words is "two trillion, seven hundred fifty-four billion, two hundred fifty million, three hundred eleven thousand, five hundred fifty-seven".