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10212105125541 = 31121092511028273
BaseRepresentation
bin1001010010011011000011…
…1001011111111010100101
31100011021020011110000210210
42110212300321133322211
52314303342403004131
633415213142010033
72102541325225434
oct224466071377245
940137204400723
1010212105125541
113287a25129200
12118b211416919
13590cc7328977
142743a8b9511b
1512a990ea1146
hex949b0e5fea5

10212105125541 has 48 divisors (see below), whose sum is σ = 15163997808960. Its totient is φ = 6107935680000.

The previous prime is 10212105125483. The next prime is 10212105125543. The reversal of 10212105125541 is 14552150121201.

It is not a de Polignac number, because 10212105125541 - 219 = 10212104601253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10212105125499 and 10212105125508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212105125543) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9417181 + ... + 10445453.

It is an arithmetic number, because the mean of its divisors is an integer number (315916621020).

Almost surely, 210212105125541 is an apocalyptic number.

10212105125541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10212105125541 is a deficient number, since it is larger than the sum of its proper divisors (4951892683419).

10212105125541 is a wasteful number, since it uses less digits than its factorization.

10212105125541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028658 (or 1028647 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 30.

Adding to 10212105125541 its reverse (14552150121201), we get a palindrome (24764255246742).

The spelling of 10212105125541 in words is "ten trillion, two hundred twelve billion, one hundred five million, one hundred twenty-five thousand, five hundred forty-one".

Divisors: 1 3 11 33 109 121 251 327 363 753 1199 2761 3597 8283 13189 27359 30371 39567 82077 91113 300949 902847 1028273 3084819 3310439 9931317 11311003 33933009 112081757 124421033 258096523 336245271 373263099 774289569 1232899327 2839061753 3698697981 8517185259 13561892597 28132521007 31229679283 40685677791 84397563021 93689037849 309457731077 928373193231 3404035041847 10212105125541