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20112032310 = 235670401077
BaseRepresentation
bin10010101110110001…
…010100001000110110
31220220122100002200120
4102232301110020312
5312142140013220
613123410352410
71311252311466
oct225661241066
956818302616
1020112032310
118590799607
123a9358b706
131b86972046
14d8b129ba6
157ca9eaa40
hex4aec54236

20112032310 has 16 divisors (see below), whose sum is σ = 48268877616. Its totient is φ = 5363208608.

The previous prime is 20112032309. The next prime is 20112032321. The reversal of 20112032310 is 1323021102.

It is a super-2 number, since 2×201120323102 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20112032310.

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, 335200509 + ... + 335200568.

It is an arithmetic number, because the mean of its divisors is an integer number (3016804851).

Almost surely, 220112032310 is an apocalyptic number.

20112032310 is an abundant number, since it is smaller than the sum of its proper divisors (28156845306).

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

20112032310 is a wasteful number, since it uses less digits than its factorization.

20112032310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670401087.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20112032310 its reverse (1323021102), we get a palindrome (21435053412).

The spelling of 20112032310 in words is "twenty billion, one hundred twelve million, thirty-two thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 670401077 1340802154 2011203231 3352005385 4022406462 6704010770 10056016155 20112032310