Search a number
-
+
20011032102 = 232326304673
BaseRepresentation
bin10010101000110000…
…000001111000100110
31220122121021202110010
4102220300001320212
5311440311011402
613105401511050
71305614652315
oct225060017046
956577252403
1020011032102
118539784666
123a657a2486
131b6ba6b1c9
14d7b95827c
157c1be9a6c
hex4a8c01e26

20011032102 has 24 divisors (see below), whose sum is σ = 41837816664. Its totient is φ = 6380328064.

The previous prime is 20011032101. The next prime is 20011032109. The reversal of 20011032102 is 20123011002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011032101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3149163 + ... + 3155510.

It is an arithmetic number, because the mean of its divisors is an integer number (1743242361).

Almost surely, 220011032102 is an apocalyptic number.

20011032102 is an abundant number, since it is smaller than the sum of its proper divisors (21826784562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20011032102 is a wasteful number, since it uses less digits than its factorization.

20011032102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6304724 (or 6304701 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20011032102 its reverse (20123011002), we get a palindrome (40134043104).

The spelling of 20011032102 in words is "twenty billion, eleven million, thirty-two thousand, one hundred two".

Divisors: 1 2 3 6 23 46 69 138 529 1058 1587 3174 6304673 12609346 18914019 37828038 145007479 290014958 435022437 870044874 3335172017 6670344034 10005516051 20011032102