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45215027271 = 3214273520597
BaseRepresentation
bin101010000111000001…
…101001000001000111
311022201010001101000200
4222013001221001013
51220100021333041
632434350541543
73160320250641
oct520701510107
9138633041020
1045215027271
11181a2782237
12891a5078b3
13435762a30b
14228d043891
1512997651b6
hexa87069047

45215027271 has 12 divisors (see below), whose sum is σ = 65356381272. Its totient is φ = 30122219376.

The previous prime is 45215027269. The next prime is 45215027293. The reversal of 45215027271 is 17272051254.

It is not a de Polignac number, because 45215027271 - 21 = 45215027269 is a prime.

It is a super-2 number, since 2×452150272712 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45215027371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1747456 + ... + 1773141.

It is an arithmetic number, because the mean of its divisors is an integer number (5446365106).

Almost surely, 245215027271 is an apocalyptic number.

45215027271 is a deficient number, since it is larger than the sum of its proper divisors (20141354001).

45215027271 is a wasteful number, since it uses less digits than its factorization.

45215027271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3522030 (or 3522027 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The spelling of 45215027271 in words is "forty-five billion, two hundred fifteen million, twenty-seven thousand, two hundred seventy-one".

Divisors: 1 3 9 1427 4281 12843 3520597 10561791 31685373 5023891919 15071675757 45215027271