Search a number
-
+
10102020122 = 25051010061
BaseRepresentation
bin10010110100010000…
…01001100000011010
3222002000201210102102
421122020021200122
5131142104120442
64350225203402
7505223516465
oct113210114032
928060653372
1010102020122
114314366267
121b5b190562
13c4cb8a5cc
146bb91c2dc
153e1d11232
hex25a20981a

10102020122 has 4 divisors (see below), whose sum is σ = 15153030186. Its totient is φ = 5051010060.

The previous prime is 10102020119. The next prime is 10102020151. The reversal of 10102020122 is 22102020101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9233480281 + 868539841 = 96091^2 + 29471^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525505029 + ... + 2525505032.

Almost surely, 210102020122 is an apocalyptic number.

10102020122 is a deficient number, since it is larger than the sum of its proper divisors (5051010064).

10102020122 is an equidigital number, since it uses as much as digits as its factorization.

10102020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5051010063.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10102020122 its reverse (22102020101), we get a palindrome (32204040223).

The spelling of 10102020122 in words is "ten billion, one hundred two million, twenty thousand, one hundred twenty-two".

Divisors: 1 2 5051010061 10102020122