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45955783129 = 2143732
BaseRepresentation
bin101010110011001011…
…011001100111011001
311101121201220200000211
4222303023121213121
51223104140030004
633040051531121
73214553466004
oct526313314731
9141551820024
1045955783129
1118542929063
128aa65b9aa1
134444c392a9
14231d58a53b
1512de7d8504
hexab32d99d9

45955783129 has 3 divisors (see below), whose sum is σ = 45955997503. Its totient is φ = 45955568756.

The previous prime is 45955783123. The next prime is 45955783163. The reversal of 45955783129 is 92138755954.

The square root of 45955783129 is 214373.

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., 45952353225 + 3429904 = 214365^2 + 1852^2 .

It is not a de Polignac number, because 45955783129 - 213 = 45955774937 is a prime.

It is a super-2 number, since 2×459557831292 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45955783123) 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, 107187 + ... + 321559.

Almost surely, 245955783129 is an apocalyptic number.

45955783129 is the 214373-rd square number.

45955783129 is the 107187-th centered octagonal number.

It is an amenable number.

45955783129 is a deficient number, since it is larger than the sum of its proper divisors (214374).

45955783129 is an frugal number, since it uses more digits than its factorization.

45955783129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428746 (or 214373 counting only the distinct ones).

The product of its digits is 13608000, while the sum is 58.

The spelling of 45955783129 in words is "forty-five billion, nine hundred fifty-five million, seven hundred eighty-three thousand, one hundred twenty-nine".

Divisors: 1 214373 45955783129