Search a number
-
+
1020212120202 = 231137417777281
BaseRepresentation
bin11101101100010010110…
…00011000101010001010
310121112100100002111221120
432312021120120222022
5113203343300321302
62100402354220110
7133464543640122
oct16661130305212
93545310074846
101020212120202
11363740165a70
12145882b84636
13752898b2392
1437542987c82
151b810e329bc
hexed89618a8a

1020212120202 has 32 divisors (see below), whose sum is σ = 2286077287104. Its totient is φ = 300799641600.

The previous prime is 1020212120197. The next prime is 1020212120243. The reversal of 1020212120202 is 2020212120201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208886199 + ... + 208891082.

It is an arithmetic number, because the mean of its divisors is an integer number (71439915222).

Almost surely, 21020212120202 is an apocalyptic number.

1020212120202 is an abundant number, since it is smaller than the sum of its proper divisors (1265865166902).

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

1020212120202 is a wasteful number, since it uses less digits than its factorization.

1020212120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417777334.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1020212120202 its reverse (2020212120201), we get a palindrome (3040424240403).

Subtracting 1020212120202 from its reverse (2020212120201), we obtain a palindrome (999999999999).

The spelling of 1020212120202 in words is "one trillion, twenty billion, two hundred twelve million, one hundred twenty thousand, two hundred two".

Divisors: 1 2 3 6 11 22 33 37 66 74 111 222 407 814 1221 2442 417777281 835554562 1253331843 2506663686 4595550091 9191100182 13786650273 15457759397 27573300546 30915518794 46373278191 92746556382 170035353367 340070706734 510106060101 1020212120202