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20102202310 = 252971976309
BaseRepresentation
bin10010101110001011…
…110100001111000110
31220212221211200110111
4102232023310033012
5312132130433220
613122415543234
71311102620551
oct225613641706
956787750414
1020102202310
118586195143
123a9022ab1a
131b8490c988
14d89acb698
157c9c0815a
hex4ae2f43c6

20102202310 has 32 divisors (see below), whose sum is σ = 37958932800. Its totient is φ = 7654254720.

The previous prime is 20102202301. The next prime is 20102202317. The reversal of 20102202310 is 1320220102.

It is a super-2 number, since 2×201022023102 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102202317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467565 + ... + 508744.

It is an arithmetic number, because the mean of its divisors is an integer number (1186216650).

Almost surely, 220102202310 is an apocalyptic number.

20102202310 is a deficient number, since it is larger than the sum of its proper divisors (17856730490).

20102202310 is a wasteful number, since it uses less digits than its factorization.

20102202310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976416.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20102202310 its reverse (1320220102), we get a palindrome (21422422412).

The spelling of 20102202310 in words is "twenty billion, one hundred two million, two hundred two thousand, three hundred ten".

Divisors: 1 2 5 10 29 58 71 142 145 290 355 710 2059 4118 10295 20590 976309 1952618 4881545 9763090 28312961 56625922 69317939 138635878 141564805 283129610 346589695 693179390 2010220231 4020440462 10051101155 20102202310