Search a number
-
+
22221011000012 = 22112331708307121
BaseRepresentation
bin1010000110101101110110…
…11101111001101011001100
32220200022022110111102122212
411003112323131321223030
510403032112304000022
6115132105211525552
74452262240024526
oct503267335715314
986608273442585
1022221011000012
117097972455340
1225aa6b77598b8
13c52580b30b56
1456b707486a16
15288045ba93e2
hex1435bb779acc

22221011000012 has 48 divisors (see below), whose sum is σ = 45694309054464. Its totient is φ = 9349653984000.

The previous prime is 22221010999991. The next prime is 22221011000021. The reversal of 22221011000012 is 21000011012222.

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, 354122189 + ... + 354184932.

It is an arithmetic number, because the mean of its divisors is an integer number (951964771968).

Almost surely, 222221011000012 is an apocalyptic number.

22221011000012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22221011000012 is an abundant number, since it is smaller than the sum of its proper divisors (23473298054452).

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

22221011000012 is a wasteful number, since it uses less digits than its factorization.

22221011000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708307190 (or 708307188 counting only the distinct ones).

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

Adding to 22221011000012 its reverse (21000011012222), we get a palindrome (43221022012234).

The spelling of 22221011000012 in words is "twenty-two trillion, two hundred twenty-one billion, eleven million, twelve", and thus it is an aban number.

Divisors: 1 2 4 11 22 23 31 44 46 62 92 124 253 341 506 682 713 1012 1364 1426 2852 7843 15686 31372 708307121 1416614242 2833228484 7791378331 15582756662 16291063783 21957520751 31165513324 32582127566 43915041502 65164255132 87830083004 179201701613 241532728261 358403403226 483065456522 505022977273 716806806452 966130913044 1010045954546 2020091909092 5555252750003 11110505500006 22221011000012