Search a number
-
+
10202222212 = 2271370139983
BaseRepresentation
bin10011000000001100…
…11000111010000100
3222100000021120211221
421200012120322010
5131343232102322
64404205010124
7510551313040
oct114006307204
928300246757
1010202222212
114365985606
121b88853944
13c678720a0
146cad63020
153eaa059c7
hex260198e84

10202222212 has 48 divisors (see below), whose sum is σ = 22005914112. Its totient is φ = 4030185600.

The previous prime is 10202222207. The next prime is 10202222339. The reversal of 10202222212 is 21222220201.

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, 235173 + ... + 275155.

It is an arithmetic number, because the mean of its divisors is an integer number (458456544).

Almost surely, 210202222212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10202222212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11002957056).

10202222212 is an abundant number, since it is smaller than the sum of its proper divisors (11803691900).

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

10202222212 is a wasteful number, since it uses less digits than its factorization.

10202222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40708 (or 40706 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 10202222212 its reverse (21222220201), we get a palindrome (31424442413).

The spelling of 10202222212 in words is "ten billion, two hundred two million, two hundred twenty-two thousand, two hundred twelve".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 701 1402 2804 4907 9113 9814 18226 19628 36452 39983 63791 79966 127582 159932 255164 279881 519779 559762 1039558 1119524 2079116 3638453 7276906 14553812 28028083 56056166 112112332 196196581 364365079 392393162 728730158 784786324 1457460316 2550555553 5101111106 10202222212