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20001203102310 = 235936377120121
BaseRepresentation
bin1001000110000111001001…
…00110110010001001100110
32121211002121020022102202120
410203003210212302021212
510110144430443233220
6110312231552450410
74133016313150533
oct443034446621146
977732536272676
1020001203102310
11641150a7a2671
1222b044a549a06
13b2114a6232b1
144d20c5d57d8a
1524a4257d5a40
hex1230e49b2266

20001203102310 has 32 divisors (see below), whose sum is σ = 48003406836192. Its totient is φ = 5333596450560.

The previous prime is 20001203102281. The next prime is 20001203102323. The reversal of 20001203102310 is 1320130210002.

It is a super-2 number, since 2×200012031023102 (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 20001203102310.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 750951 + ... + 6369170.

It is an arithmetic number, because the mean of its divisors is an integer number (1500106463631).

Almost surely, 220001203102310 is an apocalyptic number.

20001203102310 is an abundant number, since it is smaller than the sum of its proper divisors (28002203733882).

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

20001203102310 is a wasteful number, since it uses less digits than its factorization.

20001203102310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7213768.

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

Adding to 20001203102310 its reverse (1320130210002), we get a palindrome (21321333312312).

The spelling of 20001203102310 in words is "twenty trillion, one billion, two hundred three million, one hundred two thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 93637 187274 280911 468185 561822 936370 1404555 2809110 7120121 14240242 21360363 35600605 42720726 71201210 106801815 213603630 666706770077 1333413540154 2000120310231 3333533850385 4000240620462 6667067700770 10000601551155 20001203102310