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20102110001012 = 2213391133988357
BaseRepresentation
bin1001001001000011000110…
…01000000011011101110100
32122011202001121110000011002
410210201203020003131310
510113323110130013022
6110430440513502432
74143221011506554
oct444414310033564
978152047400132
1020102110001012
116450291042126
122307b0bb71a18
13b2a80bca3490
144d6d3960d164
1524cd7e461092
hex124863203774

20102110001012 has 24 divisors (see below), whose sum is σ = 37884880961256. Its totient is φ = 9277863815808.

The previous prime is 20102110000981. The next prime is 20102110001069. The reversal of 20102110001012 is 21010001120102.

It can be written as a sum of positive squares in 4 ways, for example, as 8281728016 + 20093828272996 = 91004^2 + 4482614^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20102110000984 and 20102110001002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19844738 + ... + 20833094.

It is an arithmetic number, because the mean of its divisors is an integer number (1578536706719).

Almost surely, 220102110001012 is an apocalyptic number.

It is an amenable number.

20102110001012 is a deficient number, since it is larger than the sum of its proper divisors (17782770960244).

20102110001012 is a wasteful number, since it uses less digits than its factorization.

20102110001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379507 (or 1379505 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20102110001012 its reverse (21010001120102), we get a palindrome (41112111121114).

The spelling of 20102110001012 in words is "twenty trillion, one hundred two billion, one hundred ten million, one thousand, twelve".

Divisors: 1 2 4 13 26 52 391133 782266 988357 1564532 1976714 3953428 5084729 10169458 12848641 20338916 25697282 51394564 386579038481 773158076962 1546316153924 5025527500253 10051055000506 20102110001012