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2100302310220 = 225381772750743
BaseRepresentation
bin11110100100000011110…
…001011110101101001100
321102210020200100010212121
4132210003301132231030
5233402404342411340
64244510543342324
7304512310034332
oct36440361365514
97383220303777
102100302310220
1173a807999044
1229b076bb19a4
131230998a02aa
1473925b25b52
1539978a3094a
hex1e903c5eb4c

2100302310220 has 24 divisors (see below), whose sum is σ = 4410751986144. Its totient is φ = 840098612736.

The previous prime is 2100302310173. The next prime is 2100302310221. The reversal of 2100302310220 is 220132030012.

It is a super-2 number, since 2×21003023102202 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2100302310194 and 2100302310203.

It is not an unprimeable number, because it can be changed into a prime (2100302310221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 611832 + ... + 2138911.

It is an arithmetic number, because the mean of its divisors is an integer number (183781332756).

Almost surely, 22100302310220 is an apocalyptic number.

2100302310220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100302310220 is an abundant number, since it is smaller than the sum of its proper divisors (2310449675924).

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

2100302310220 is a wasteful number, since it uses less digits than its factorization.

2100302310220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2788929 (or 2788927 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 2100302310220 its reverse (220132030012), we get a palindrome (2320434340232).

The spelling of 2100302310220 in words is "two trillion, one hundred billion, three hundred two million, three hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 38177 76354 152708 190885 381770 763540 2750743 5501486 11002972 13753715 27507430 55014860 105015115511 210030231022 420060462044 525075577555 1050151155110 2100302310220