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38966530412 = 2231597175017
BaseRepresentation
bin100100010010100101…
…100001000101101100
310201120122101211202002
4210102211201011230
51114300412433122
625522335551432
72546425020635
oct442245410554
9121518354662
1038966530412
1115586655047
12767598b578
13389cc270b4
141c5922a88c
151030de3992
hex91296116c

38966530412 has 48 divisors (see below), whose sum is σ = 72593418240. Its totient is φ = 18273897600.

The previous prime is 38966530411. The next prime is 38966530417. The reversal of 38966530412 is 21403566983.

It is a super-3 number, since 3×389665304123 (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (38966530411) 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, 481928 + ... + 556944.

It is an arithmetic number, because the mean of its divisors is an integer number (1512362880).

Almost surely, 238966530412 is an apocalyptic number.

It is an amenable number.

38966530412 is a deficient number, since it is larger than the sum of its proper divisors (33626887828).

38966530412 is a wasteful number, since it uses less digits than its factorization.

38966530412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75182 (or 75180 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 38966530412 in words is "thirty-eight billion, nine hundred sixty-six million, five hundred thirty thousand, four hundred twelve".

Divisors: 1 2 4 31 59 62 71 118 124 142 236 284 1829 2201 3658 4189 4402 7316 8378 8804 16756 75017 129859 150034 259718 300068 519436 2325527 4426003 4651054 5326207 8852006 9302108 10652414 17704012 21304828 137206093 165112417 274412186 314246213 330224834 548824372 628492426 660449668 1256984852 9741632603 19483265206 38966530412