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45005244661 = 13171678831381
BaseRepresentation
bin101001111010100001…
…011000100011110101
311022011111022022101101
4221322201120203311
51214132320312121
632401454330101
73152162160556
oct517241304365
9138144268341
1045005244661
11180a5318483
1288801b9931
1343230293b0
14226d23632d
151286127491
hexa7a8588f5

45005244661 has 32 divisors (see below), whose sum is σ = 51721383168. Its totient is φ = 38793323520.

The previous prime is 45005244649. The next prime is 45005244701. The reversal of 45005244661 is 16644250054.

45005244661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 45005244661 - 217 = 45005113589 is a prime.

It is a super-3 number, since 3×450052446613 (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45005244661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45005244611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32588191 + ... + 32589571.

It is an arithmetic number, because the mean of its divisors is an integer number (1616293224).

Almost surely, 245005244661 is an apocalyptic number.

It is an amenable number.

45005244661 is a deficient number, since it is larger than the sum of its proper divisors (6716138507).

45005244661 is a wasteful number, since it uses less digits than its factorization.

45005244661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2461.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 45005244661 in words is "forty-five billion, five million, two hundred forty-four thousand, six hundred sixty-one".

Divisors: 1 13 17 167 221 883 1381 2171 2839 11479 15011 17953 23477 36907 147461 195143 230627 305201 1219423 1916993 2506837 2998151 3920659 15852499 20730191 32588881 50968567 203643641 269492483 2647367333 3461941897 45005244661