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45451254434 = 21719371901567
BaseRepresentation
bin101010010101000110…
…110001101010100010
311100022120112221202212
4222111012301222202
51221041010120214
632514030042122
73166216200605
oct522506615242
9140276487685
1045451254434
11183040591a3
128985649342
134394559ac1
1422b257633c
1512b037853e
hexa951b1aa2

45451254434 has 32 divisors (see below), whose sum is σ = 78040350720. Its totient is φ = 19715436288.

The previous prime is 45451254413. The next prime is 45451254437. The reversal of 45451254434 is 43445215454.

It is a junction number, because it is equal to n+sod(n) for n = 45451254391 and 45451254400.

It is not an unprimeable number, because it can be changed into a prime (45451254437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 926882 + ... + 974685.

It is an arithmetic number, because the mean of its divisors is an integer number (2438760960).

Almost surely, 245451254434 is an apocalyptic number.

45451254434 is a deficient number, since it is larger than the sum of its proper divisors (32589096286).

45451254434 is a wasteful number, since it uses less digits than its factorization.

45451254434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901642.

The product of its digits is 768000, while the sum is 41.

Adding to 45451254434 its reverse (43445215454), we get a palindrome (88896469888).

The spelling of 45451254434 in words is "forty-five billion, four hundred fifty-one million, two hundred fifty-four thousand, four hundred thirty-four".

Divisors: 1 2 17 19 34 37 38 74 323 629 646 703 1258 1406 11951 23902 1901567 3803134 32326639 36129773 64653278 70357979 72259546 140715958 614206141 1196085643 1228412282 1336801601 2392171286 2673603202 22725627217 45451254434