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45531242620 = 2254215407511
BaseRepresentation
bin101010011001110111…
…111010000001111100
311100112011001202221021
4222121313322001330
51221221444230440
632530004313524
73201210114403
oct523167720174
9140464052837
1045531242620
1118345221536
1289a83a28a4
1343a7cb49a6
1422bd03863a
1512b73c884a
hexa99dfa07c

45531242620 has 24 divisors (see below), whose sum is σ = 95842742688. Its totient is φ = 18169233600.

The previous prime is 45531242573. The next prime is 45531242641. The reversal of 45531242620 is 2624213554.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2695336 + ... + 2712175.

It is an arithmetic number, because the mean of its divisors is an integer number (3993447612).

Almost surely, 245531242620 is an apocalyptic number.

It is an amenable number.

45531242620 is an abundant number, since it is smaller than the sum of its proper divisors (50311500068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45531242620 is a wasteful number, since it uses less digits than its factorization.

45531242620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5407941 (or 5407939 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 45531242620 in words is "forty-five billion, five hundred thirty-one million, two hundred forty-two thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 421 842 1684 2105 4210 8420 5407511 10815022 21630044 27037555 54075110 108150220 2276562131 4553124262 9106248524 11382810655 22765621310 45531242620