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20112003310 = 2571915121807
BaseRepresentation
bin10010101110110001…
…001101000011101110
31220220122021121220111
4102232301031003232
5312142133101220
613123410010234
71311252131110
oct225661150356
956818247814
1020112003310
118590779843
123a9357697a
131b86961a99
14d8b11d3b0
157ca9e215a
hex4aec4d0ee

20112003310 has 32 divisors (see below), whose sum is σ = 43550807040. Its totient is φ = 6532620192.

The previous prime is 20112003293. The next prime is 20112003313. The reversal of 20112003310 is 1330021102.

It is a super-2 number, since 2×201120033102 (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 (20112003313) 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, 7559574 + ... + 7562233.

It is an arithmetic number, because the mean of its divisors is an integer number (1360962720).

Almost surely, 220112003310 is an apocalyptic number.

20112003310 is an abundant number, since it is smaller than the sum of its proper divisors (23438803730).

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

20112003310 is a wasteful number, since it uses less digits than its factorization.

20112003310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15121840.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20112003310 its reverse (1330021102), we get a palindrome (21442024412).

The spelling of 20112003310 in words is "twenty billion, one hundred twelve million, three thousand, three hundred ten".

Divisors: 1 2 5 7 10 14 19 35 38 70 95 133 190 266 665 1330 15121807 30243614 75609035 105852649 151218070 211705298 287314333 529263245 574628666 1058526490 1436571665 2011200331 2873143330 4022400662 10056001655 20112003310