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38404216403412 = 22319168439545629
BaseRepresentation
bin10001011101101101011011…
…01011010011010111010100
312000222101222212120000110120
420232312231223103113110
520013203313344402122
6213402353051351540
711042420166216666
oct1056665553232724
9160871885500416
1038404216403412
1111267155a66a02
124382bb24525b0
13185766b0717b2
1496aab9b94536
15468ead8a775c
hex22edadad35d4

38404216403412 has 24 divisors (see below), whose sum is σ = 94326145552800. Its totient is φ = 12127647285216.

The previous prime is 38404216403387. The next prime is 38404216403467. The reversal of 38404216403412 is 21430461240483.

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, 84219772587 + ... + 84219773042.

It is an arithmetic number, because the mean of its divisors is an integer number (3930256064700).

Almost surely, 238404216403412 is an apocalyptic number.

It is an amenable number.

38404216403412 is an abundant number, since it is smaller than the sum of its proper divisors (55921929149388).

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

38404216403412 is a wasteful number, since it uses less digits than its factorization.

38404216403412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168439545655 (or 168439545653 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 42.

Adding to 38404216403412 its reverse (21430461240483), we get a palindrome (59834677643895).

The spelling of 38404216403412 in words is "thirty-eight trillion, four hundred four billion, two hundred sixteen million, four hundred three thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 168439545629 336879091258 505318636887 673758182516 1010637273774 2021274547548 3200351366951 6400702733902 9601054100853 12801405467804 19202108201706 38404216403412