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101210212210 = 2561357164953
BaseRepresentation
bin101111001000010011…
…0010100011101110010
3100200020111212111022011
41132100212110131302
53124234303242320
6114254554033134
710212040415662
oct1362046243562
9320214774264
10101210212210
1139a17587488
12177471187aa
13970c46b243
144c81a8c1a2
1529755e105a
hex1790994772

101210212210 has 16 divisors (see below), whose sum is σ = 182182455576. Its totient is φ = 40483179648.

The previous prime is 101210212189. The next prime is 101210212211. The reversal of 101210212210 is 12212012101.

It can be written as a sum of positive squares in 4 ways, for example, as 96870960081 + 4339252129 = 311241^2 + 65873^2 .

It is not an unprimeable number, because it can be changed into a prime (101210212211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531094 + ... + 696046.

Almost surely, 2101210212210 is an apocalyptic number.

101210212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101210212210 is a deficient number, since it is larger than the sum of its proper divisors (80972243366).

101210212210 is a wasteful number, since it uses less digits than its factorization.

101210212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226317.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101210212210 its reverse (12212012101), we get a palindrome (113422224311).

The spelling of 101210212210 in words is "one hundred one billion, two hundred ten million, two hundred twelve thousand, two hundred ten".

Divisors: 1 2 5 10 61357 122714 164953 306785 329906 613570 824765 1649530 10121021221 20242042442 50605106105 101210212210