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38923336425940 = 22519317621132247
BaseRepresentation
bin10001101100110100010111…
…01001000010000111010100
312002211000221020110111210121
420312122023221002013110
520100204443111112230
6214441044531201324
711125055363466301
oct1066321351020724
9162730836414717
1038923336425940
111144732675730a
12444772a746244
1318945bb491265
14987c844760a8
15477742d8277a
hex23668ba421d4

38923336425940 has 48 divisors (see below), whose sum is σ = 81792685908864. Its totient is φ = 15559112188800.

The previous prime is 38923336425937. The next prime is 38923336425983. The reversal of 38923336425940 is 4952463332983.

It is a super-2 number, since 2×389233364259402 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294256897 + ... + 294389143.

It is an arithmetic number, because the mean of its divisors is an integer number (1704014289768).

Almost surely, 238923336425940 is an apocalyptic number.

It is an amenable number.

38923336425940 is an abundant number, since it is smaller than the sum of its proper divisors (42869349482924).

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

38923336425940 is a wasteful number, since it uses less digits than its factorization.

38923336425940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141808 (or 141806 counting only the distinct ones).

The product of its (nonzero) digits is 100776960, while the sum is 61.

The spelling of 38923336425940 in words is "thirty-eight trillion, nine hundred twenty-three billion, three hundred thirty-six million, four hundred twenty-five thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 1931 3862 7621 7724 9655 15242 19310 30484 38105 38620 76210 132247 152420 264494 528988 661235 1322470 2644940 14716151 29432302 58864604 73580755 147161510 255368957 294323020 510737914 1007854387 1021475828 1276844785 2015708774 2553689570 4031417548 5039271935 5107379140 10078543870 20157087740 1946166821297 3892333642594 7784667285188 9730834106485 19461668212970 38923336425940