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20102012092 = 2256911297823
BaseRepresentation
bin10010101110001011…
…000101110010111100
31220212221111000112101
4102232023011302330
5312132103341332
613122411514444
71311101166151
oct225613056274
956787430471
1020102012092
118586075238
123a90158a24
131b84874216
14d89a7c228
157c9bbbae7
hex4ae2c5cbc

20102012092 has 24 divisors (see below), whose sum is σ = 35276068800. Its totient is φ = 10023173376.

The previous prime is 20102012089. The next prime is 20102012129. The reversal of 20102012092 is 29021020102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2565693 + ... + 2573515.

It is an arithmetic number, because the mean of its divisors is an integer number (1469836200).

Almost surely, 220102012092 is an apocalyptic number.

It is an amenable number.

20102012092 is a deficient number, since it is larger than the sum of its proper divisors (15174056708).

20102012092 is a wasteful number, since it uses less digits than its factorization.

20102012092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9525 (or 9523 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 20102012092 its reverse (29021020102), we get a palindrome (49123032194).

It can be divided in two parts, 2010 and 2012092, that added together give a palindrome (2014102).

The spelling of 20102012092 in words is "twenty billion, one hundred two million, twelve thousand, ninety-two".

Divisors: 1 2 4 569 1129 1138 2258 2276 4516 7823 15646 31292 642401 1284802 2569604 4451287 8832167 8902574 17664334 17805148 35328668 5025503023 10051006046 20102012092