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21433422030 = 2351494794949
BaseRepresentation
bin10011111101100010…
…000001000011001110
32001022201202122121120
4103331202001003032
5322343424001110
613502452341410
71356066036606
oct237542010316
961281678546
1021433422030
1190a9676229
1241a2014866
132037658b57
141074817c06
15856a13870
hex4fd8810ce

21433422030 has 32 divisors (see below), whose sum is σ = 51785460000. Its totient is φ = 5677218432.

The previous prime is 21433421983. The next prime is 21433422037. The reversal of 21433422030 is 3022433412.

21433422030 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21433422037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2393005 + ... + 2401944.

It is an arithmetic number, because the mean of its divisors is an integer number (1618295625).

Almost surely, 221433422030 is an apocalyptic number.

21433422030 is an abundant number, since it is smaller than the sum of its proper divisors (30352037970).

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

21433422030 is a wasteful number, since it uses less digits than its factorization.

21433422030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4795108.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 21433422030 its reverse (3022433412), we get a palindrome (24455855442).

The spelling of 21433422030 in words is "twenty-one billion, four hundred thirty-three million, four hundred twenty-two thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 149 298 447 745 894 1490 2235 4470 4794949 9589898 14384847 23974745 28769694 47949490 71924235 143848470 714447401 1428894802 2143342203 3572237005 4286684406 7144474010 10716711015 21433422030