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2154315022 = 210919351203
BaseRepresentation
bin1000000001101000…
…0011110100001110
312120010201112122021
42000122003310032
513403001040042
6553434240354
7104246242546
oct20032036416
95503645567
102154315022
11a06066842
125015860ba
13284427322
14166188326
15c91e5867
hex80683d0e

2154315022 has 16 divisors (see below), whose sum is σ = 3278080080. Its totient is φ = 1061724672.

The previous prime is 2154315017. The next prime is 2154315041. The reversal of 2154315022 is 2205134512.

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, 16473 + ... + 67675.

It is an arithmetic number, because the mean of its divisors is an integer number (204880005).

Almost surely, 22154315022 is an apocalyptic number.

2154315022 is a deficient number, since it is larger than the sum of its proper divisors (1123765058).

2154315022 is a wasteful number, since it uses less digits than its factorization.

2154315022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51507.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2154315022 is about 46414.5992334309. The cubic root of 2154315022 is about 1291.5257515387.

Adding to 2154315022 its reverse (2205134512), we get a palindrome (4359449534).

The spelling of 2154315022 in words is "two billion, one hundred fifty-four million, three hundred fifteen thousand, twenty-two".

Divisors: 1 2 109 193 218 386 21037 42074 51203 102406 5581127 9882179 11162254 19764358 1077157511 2154315022