Search a number
-
+
1020102122 = 21339234697
BaseRepresentation
bin111100110011011…
…000010111101010
32122002111120001002
4330303120113222
54042121231442
6245120155002
734164503444
oct7463302752
92562446032
101020102122
11483903906
12245768a62
13133457c30
14996a1494
155e852732
hex3ccd85ea

1020102122 has 8 divisors (see below), whose sum is σ = 1647857316. Its totient is φ = 470816352.

The previous prime is 1020102107. The next prime is 1020102157. The reversal of 1020102122 is 2212010201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1020099721 + 2401 = 31939^2 + 49^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19617323 + ... + 19617374.

Almost surely, 21020102122 is an apocalyptic number.

1020102122 is a deficient number, since it is larger than the sum of its proper divisors (627755194).

1020102122 is a wasteful number, since it uses less digits than its factorization.

1020102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39234712.

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

The square root of 1020102122 is about 31939.0375872536. The cubic root of 1020102122 is about 1006.6563026627.

Adding to 1020102122 its reverse (2212010201), we get a palindrome (3232112323).

The spelling of 1020102122 in words is "one billion, twenty million, one hundred two thousand, one hundred twenty-two".

Divisors: 1 2 13 26 39234697 78469394 510051061 1020102122