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203212020012210 = 232511205264666679
BaseRepresentation
bin101110001101000111111100…
…010001000101010010110010
3222122111212202001221220110100
4232031013330101011102302
5203113411204110342320
62000110151353413230
760542404203042156
oct5615077421052262
9878455661856410
10203212020012210
1159827808630310
121a95ba2640a216
138950a7145b5c1
14382772b149066
15187602712c790
hexb8d1fc4454b2

203212020012210 has 48 divisors (see below), whose sum is σ = 576383184037440. Its totient is φ = 49263520002720.

The previous prime is 203212020012181. The next prime is 203212020012263. The reversal of 203212020012210 is 12210020212302.

203212020012210 is a `hidden beast` number, since 2 + 0 + 321 + 20 + 200 + 122 + 1 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102632332350 + ... + 102632334329.

It is an arithmetic number, because the mean of its divisors is an integer number (12007983000780).

Almost surely, 2203212020012210 is an apocalyptic number.

203212020012210 is an abundant number, since it is smaller than the sum of its proper divisors (373171164025230).

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

203212020012210 is a wasteful number, since it uses less digits than its factorization.

203212020012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205264666703 (or 205264666700 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 203212020012210 its reverse (12210020212302), we get a palindrome (215422040224512).

The spelling of 203212020012210 in words is "two hundred three trillion, two hundred twelve billion, twenty million, twelve thousand, two hundred ten".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 165 198 330 495 990 205264666679 410529333358 615794000037 1026323333395 1231588000074 1847382000111 2052646666790 2257911333469 3078970000185 3694764000222 4515822666938 6157940000370 6773734000407 9236910000555 11289556667345 13547468000814 18473820001110 20321202001221 22579113334690 33868670002035 40642404002442 67737340004070 101606010006105 203212020012210