Search a number
-
+
754947241129 = 8688772
BaseRepresentation
bin10101111110001100101…
…11001011010010101001
32200011122120102110100201
422333012113023102221
544332112443204004
61334452403232201
7105354203445544
oct12770627132251
92604576373321
10754947241129
11271198044184
12102392378661
1356264155483
142877aac185b
1514987e316a4
hexafc65cb4a9

754947241129 has 3 divisors (see below), whose sum is σ = 754948110007. Its totient is φ = 754946372252.

The previous prime is 754947241127. The next prime is 754947241159. The reversal of 754947241129 is 921142749457.

The square root of 754947241129 is 868877.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 747610976025 + 7336265104 = 864645^2 + 85652^2 .

It is not a de Polignac number, because 754947241129 - 21 = 754947241127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 754947241129.

It is not an unprimeable number, because it can be changed into a prime (754947241121) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 434439 + ... + 1303315.

Almost surely, 2754947241129 is an apocalyptic number.

754947241129 is the 868877-th square number.

754947241129 is the 434439-th centered octagonal number.

It is an amenable number.

754947241129 is a deficient number, since it is larger than the sum of its proper divisors (868878).

754947241129 is an frugal number, since it uses more digits than its factorization.

754947241129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737754 (or 868877 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 55.

The spelling of 754947241129 in words is "seven hundred fifty-four billion, nine hundred forty-seven million, two hundred forty-one thousand, one hundred twenty-nine".

Divisors: 1 868877 754947241129