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1020202102112 = 251011512090441
BaseRepresentation
bin11101101100010001100…
…10001010110101100000
310121112022122020112201012
432312020302022311200
5113203333214231422
62100401355400052
7133464362533634
oct16661062126540
93545278215635
101020202102112
11363735543256
1214587b753028
13752877b550b
14375414dadc4
151b8101044e2
hexed88c8ad60

1020202102112 has 48 divisors (see below), whose sum is σ = 2041843404384. Its totient is φ = 501705600000.

The previous prime is 1020202102111. The next prime is 1020202102319. The reversal of 1020202102112 is 2112012020201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020202102111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 557189 + ... + 1533252.

It is an arithmetic number, because the mean of its divisors is an integer number (42538404258).

Almost surely, 21020202102112 is an apocalyptic number.

It is an amenable number.

1020202102112 is an abundant number, since it is smaller than the sum of its proper divisors (1021641302272).

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

1020202102112 is a wasteful number, since it uses less digits than its factorization.

1020202102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090703 (or 2090695 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1020202102112 its reverse (2112012020201), we get a palindrome (3132214122313).

The spelling of 1020202102112 in words is "one trillion, twenty billion, two hundred two million, one hundred two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 101 151 202 302 404 604 808 1208 1616 2416 3232 4832 15251 30502 61004 122008 244016 488032 2090441 4180882 8361764 16723528 33447056 66894112 211134541 315656591 422269082 631313182 844538164 1262626364 1689076328 2525252728 3378152656 5050505456 6756305312 10101010912 31881315691 63762631382 127525262764 255050525528 510101051056 1020202102112