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21422411032 = 2311475151239
BaseRepresentation
bin10011111100111000…
…000000110100011000
32001021222001020100211
4103330320000310120
5322333114123112
613501420340504
71355603326561
oct237470006430
961258036324
1021422411032
1190a3435530
12419a3a4734
1320352a2079
14107318d168
15855a8b0a7
hex4fce00d18

21422411032 has 32 divisors (see below), whose sum is σ = 43828646400. Its totient is φ = 9735220000.

The previous prime is 21422411011. The next prime is 21422411033. The reversal of 21422411032 is 23011422412.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 21422410994 and 21422411012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21422411033) 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, 392469 + ... + 443707.

It is an arithmetic number, because the mean of its divisors is an integer number (1369645200).

Almost surely, 221422411032 is an apocalyptic number.

21422411032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21422411032 is an abundant number, since it is smaller than the sum of its proper divisors (22406235368).

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

21422411032 is a wasteful number, since it uses less digits than its factorization.

21422411032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56007 (or 56003 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 21422411032 its reverse (23011422412), we get a palindrome (44433833444).

The spelling of 21422411032 in words is "twenty-one billion, four hundred twenty-two million, four hundred eleven thousand, thirty-two".

Divisors: 1 2 4 8 11 22 44 88 4751 9502 19004 38008 51239 52261 102478 104522 204956 209044 409912 418088 563629 1127258 2254516 4509032 243436489 486872978 973745956 1947491912 2677801379 5355602758 10711205516 21422411032