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20233201044 = 22371571534213
BaseRepresentation
bin10010110101111111…
…100010010110010100
31221020002100002221110
4102311333202112110
5312414144413134
613143415415020
71314253241220
oct226577422624
957202302843
1020233201044
118643129461
123b08084470
131ba5ab7c14
14d9d26b780
157d64827e9
hex4b5fe2594

20233201044 has 48 divisors (see below), whose sum is σ = 54298901888. Its totient is φ = 5744089728.

The previous prime is 20233201007. The next prime is 20233201057. The reversal of 20233201044 is 44010233202.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 20233201044.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 753919 + ... + 780294.

Almost surely, 220233201044 is an apocalyptic number.

It is an amenable number.

20233201044 is an abundant number, since it is smaller than the sum of its proper divisors (34065700844).

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

20233201044 is a wasteful number, since it uses less digits than its factorization.

20233201044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534384 (or 1534382 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20233201044 its reverse (44010233202), we get a palindrome (64243434246).

The spelling of 20233201044 in words is "twenty billion, two hundred thirty-three million, two hundred one thousand, forty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 157 314 471 628 942 1099 1884 2198 3297 4396 6594 13188 1534213 3068426 4602639 6136852 9205278 10739491 18410556 21478982 32218473 42957964 64436946 128873892 240871441 481742882 722614323 963485764 1445228646 1686100087 2890457292 3372200174 5058300261 6744400348 10116600522 20233201044