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10201211211200 = 265210163126307
BaseRepresentation
bin1001010001110010011110…
…0100100000110111000000
31100010020002221121211201212
42110130213210200313000
52314114040032224300
633410212143345252
72102004344412302
oct224344744406700
940106087554655
1010201211211200
113283344869109
121189090bb2228
1358cc7c395ac9
14273a5401b972
1512a5548b9935
hex94727920dc0

10201211211200 has 84 divisors (see below), whose sum is σ = 25349884008792. Its totient is φ = 4040083584000.

The previous prime is 10201211211101. The next prime is 10201211211203. The reversal of 10201211211200 is 211211210201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201211211203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31401554 + ... + 31724753.

It is an arithmetic number, because the mean of its divisors is an integer number (301784333438).

Almost surely, 210201211211200 is an apocalyptic number.

10201211211200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10201211211200 is an abundant number, since it is smaller than the sum of its proper divisors (15148672797592).

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

10201211211200 is a wasteful number, since it uses less digits than its factorization.

10201211211200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63126430 (or 63126415 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10201211211200 its reverse (211211210201), we get a palindrome (10412422421401).

Subtracting from 10201211211200 its reverse (211211210201), we obtain a palindrome (9990000000999).

The spelling of 10201211211200 in words is "ten trillion, two hundred one billion, two hundred eleven million, two hundred eleven thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 101 160 200 202 320 400 404 505 800 808 1010 1600 1616 2020 2525 3232 4040 5050 6464 8080 10100 16160 20200 32320 40400 80800 161600 63126307 126252614 252505228 315631535 505010456 631263070 1010020912 1262526140 1578157675 2020041824 2525052280 3156315350 4040083648 5050104560 6312630700 6375757007 10100209120 12625261400 12751514014 20200418240 25250522800 25503028028 31878785035 50501045600 51006056056 63757570070 101002091200 102012112112 127515140140 159393925175 204024224224 255030280280 318787850350 408048448448 510060560560 637575700700 1020121121120 1275151401400 2040242242240 2550302802800 5100605605600 10201211211200