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20000123300310 = 235666670776677
BaseRepresentation
bin1001000110000101001000…
…01111101010100111010110
32121210222210222110210212220
410203002210033222213112
510110140223031102220
6110311532500523210
74132650462036666
oct443024417524726
977728728423786
1020000123300310
11641100622341a
1222b01a89b0506
13b210079c4bba
144d20227961a6
1524a3b0ade540
hex1230a43ea9d6

20000123300310 has 16 divisors (see below), whose sum is σ = 48000295920816. Its totient is φ = 5333366213408.

The previous prime is 20000123300309. The next prime is 20000123300323. The reversal of 20000123300310 is 1300332100002.

It is a super-2 number, since 2×200001233003102 (a number of 27 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 20000123300310.

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, 333335388309 + ... + 333335388368.

It is an arithmetic number, because the mean of its divisors is an integer number (3000018495051).

Almost surely, 220000123300310 is an apocalyptic number.

20000123300310 is an abundant number, since it is smaller than the sum of its proper divisors (28000172620506).

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

20000123300310 is a wasteful number, since it uses less digits than its factorization.

20000123300310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666670776687.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20000123300310 its reverse (1300332100002), we get a palindrome (21300455400312).

The spelling of 20000123300310 in words is "twenty trillion, one hundred twenty-three million, three hundred thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 666670776677 1333341553354 2000012330031 3333353883385 4000024660062 6666707766770 10000061650155 20000123300310