Search a number
-
+
10101212122 = 25113987797
BaseRepresentation
bin10010110100001010…
…00100001111011010
3222001222012202001111
421122011010033122
5131141402241442
64350200010534
7505213613011
oct113205041732
928058182044
1010101212122
1143139641a1
121b5aa60a4a
13c4c9668c1
146bb78ba78
153e1c01b17
hex25a1443da

10101212122 has 8 divisors (see below), whose sum is σ = 15154796916. Its totient is φ = 5049613152.

The previous prime is 10101212029. The next prime is 10101212131. The reversal of 10101212122 is 22121210101.

It can be written as a sum of positive squares in 2 ways, for example, as 9087999561 + 1013212561 = 95331^2 + 31831^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 483673 + ... + 504124.

Almost surely, 210101212122 is an apocalyptic number.

10101212122 is a deficient number, since it is larger than the sum of its proper divisors (5053584794).

10101212122 is an equidigital number, since it uses as much as digits as its factorization.

10101212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992912.

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

Adding to 10101212122 its reverse (22121210101), we get a palindrome (32222422223).

The spelling of 10101212122 in words is "ten billion, one hundred one million, two hundred twelve thousand, one hundred twenty-two".

Divisors: 1 2 5113 10226 987797 1975594 5050606061 10101212122