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2182010857 = 133141132059
BaseRepresentation
bin1000001000001110…
…1101011111101001
312122001211122011221
42002003231133221
513432043321412
61000304022041
7105033533455
oct20203553751
95561748157
102182010857
11a1a763064
1250a901921
1328a0a35b0
14169b17665
15cb866b07
hex820ed7e9

2182010857 has 16 divisors (see below), whose sum is σ = 2484840960. Its totient is φ = 1901635200.

The previous prime is 2182010839. The next prime is 2182010869. The reversal of 2182010857 is 7580102812.

2182010857 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 2182010857 - 27 = 2182010729 is a prime.

It is a super-2 number, since 2×21820108572 = 9522342760131748898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2182010057) 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, 49507 + ... + 82552.

It is an arithmetic number, because the mean of its divisors is an integer number (155302560).

Almost surely, 22182010857 is an apocalyptic number.

It is an amenable number.

2182010857 is a deficient number, since it is larger than the sum of its proper divisors (302830103).

2182010857 is a wasteful number, since it uses less digits than its factorization.

2182010857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132144.

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 2182010857 is about 46711.9990687618. Note that the first 3 decimals coincide. The cubic root of 2182010857 is about 1297.0368124545.

The spelling of 2182010857 in words is "two billion, one hundred eighty-two million, ten thousand, eight hundred fifty-seven".

Divisors: 1 13 31 41 403 533 1271 16523 132059 1716767 4093829 5414419 53219777 70387447 167846989 2182010857