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10212662164220 = 2254191363389393
BaseRepresentation
bin1001010010011101001000…
…0110011011101011111100
31100011022122222121112012222
42110213102012123223330
52314311013003223340
633415344321144512
72102561201044055
oct224472206335374
940138588545188
1010212662164220
11328819060364a
12118b347a8b138
13591085861b59
1427441cb5772c
1512a9c4d348b5
hex949d219bafc

10212662164220 has 48 divisors (see below), whose sum is σ = 21499593121440. Its totient is φ = 4074970791936.

The previous prime is 10212662164217. The next prime is 10212662164291. The reversal of 10212662164220 is 2246126621201.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 114199844 + ... + 114289236.

It is an arithmetic number, because the mean of its divisors is an integer number (447908190030).

Almost surely, 210212662164220 is an apocalyptic number.

10212662164220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212662164220 is an abundant number, since it is smaller than the sum of its proper divisors (11286930957220).

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

10212662164220 is a wasteful number, since it uses less digits than its factorization.

10212662164220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103454 (or 103452 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

Adding to 10212662164220 its reverse (2246126621201), we get a palindrome (12458788785421).

The spelling of 10212662164220 in words is "ten trillion, two hundred twelve billion, six hundred sixty-two million, one hundred sixty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 419 838 1676 2095 4190 8380 13633 27266 54532 68165 89393 136330 178786 272660 357572 446965 893930 1787860 5712227 11424454 22848908 28561135 37455667 57122270 74911334 114244540 149822668 187278335 374556670 749113340 1218694769 2437389538 4874779076 6093473845 12186947690 24373895380 510633108211 1021266216422 2042532432844 2553165541055 5106331082110 10212662164220