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22031321032 = 237393416447
BaseRepresentation
bin10100100001001010…
…110100011111001000
32002212101211001212001
4110201022310133020
5330110004233112
614042051400344
71406646065440
oct244112643710
962771731761
1022031321032
119386119636
12432a2b30b4
13210149a346
1410cddb5120
1588e268c57
hex5212b47c8

22031321032 has 16 divisors (see below), whose sum is σ = 47209973760. Its totient is φ = 9441994704.

The previous prime is 22031321027. The next prime is 22031321051. The reversal of 22031321032 is 23012313022.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196708168 + ... + 196708279.

It is an arithmetic number, because the mean of its divisors is an integer number (2950623360).

Almost surely, 222031321032 is an apocalyptic number.

It is an amenable number.

22031321032 is an abundant number, since it is smaller than the sum of its proper divisors (25178652728).

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

22031321032 is a wasteful number, since it uses less digits than its factorization.

22031321032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393416460 (or 393416456 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22031321032 its reverse (23012313022), we get a palindrome (45043634054).

The spelling of 22031321032 in words is "twenty-two billion, thirty-one million, three hundred twenty-one thousand, thirty-two".

Divisors: 1 2 4 7 8 14 28 56 393416447 786832894 1573665788 2753915129 3147331576 5507830258 11015660516 22031321032