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20430411412 = 22271127714759
BaseRepresentation
bin10011000001101111…
…110101011010010100
31221201211102102201011
4103001233311122110
5313320141131122
613215142342004
71322166426445
oct230157653224
957654372634
1020430411412
118734486534
123b6212a904
131c07906548
14dbb5252cc
157e893a377
hex4c1bf5694

20430411412 has 24 divisors (see below), whose sum is σ = 35915685120. Its totient is φ = 10168852320.

The previous prime is 20430411389. The next prime is 20430411439. The reversal of 20430411412 is 21411403402.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1376889 + ... + 1391647.

It is an arithmetic number, because the mean of its divisors is an integer number (1496486880).

Almost surely, 220430411412 is an apocalyptic number.

It is an amenable number.

20430411412 is a deficient number, since it is larger than the sum of its proper divisors (15485273708).

20430411412 is a wasteful number, since it uses less digits than its factorization.

20430411412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16311 (or 16309 counting only the distinct ones).

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

Adding to 20430411412 its reverse (21411403402), we get a palindrome (41841814814).

The spelling of 20430411412 in words is "twenty billion, four hundred thirty million, four hundred eleven thousand, four hundred twelve".

Divisors: 1 2 4 271 542 1084 1277 2554 5108 14759 29518 59036 346067 692134 1384268 3999689 7999378 15998756 18847243 37694486 75388972 5107602853 10215205706 20430411412