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38821245912 = 23323794992851
BaseRepresentation
bin100100001001111011…
…010011001111011000
310201012112000121212200
4210021323103033120
51114001214332122
625500110010200
72543012100651
oct441173231730
9121175017780
1038821245912
1115511643709
1276351a6960
133878ab9637
141c43c0c528
1510232965ac
hex909ed33d8

38821245912 has 96 divisors (see below), whose sum is σ = 105666600000. Its totient is φ = 12875889600.

The previous prime is 38821245907. The next prime is 38821245919. The reversal of 38821245912 is 21954212883.

38821245912 is a `hidden beast` number, since 38 + 8 + 2 + 1 + 24 + 591 + 2 = 666.

38821245912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38821245919) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13615287 + ... + 13618137.

It is an arithmetic number, because the mean of its divisors is an integer number (1100693750).

Almost surely, 238821245912 is an apocalyptic number.

It is an amenable number.

38821245912 is an abundant number, since it is smaller than the sum of its proper divisors (66845354088).

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

38821245912 is a wasteful number, since it uses less digits than its factorization.

38821245912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3741 (or 3734 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The spelling of 38821245912 in words is "thirty-eight billion, eight hundred twenty-one million, two hundred forty-five thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 379 499 758 998 1137 1497 1516 1996 2274 2851 2994 3032 3411 3992 4491 4548 5702 5988 6822 8553 8982 9096 11404 11976 13644 17106 17964 22808 25659 27288 34212 35928 51318 68424 102636 189121 205272 378242 567363 756484 1080529 1134726 1422649 1512968 1702089 2161058 2269452 2845298 3241587 3404178 4267947 4322116 4538904 5690596 6483174 6808356 8535894 8644232 9724761 11381192 12803841 12966348 13616712 17071788 19449522 25607682 25932696 34143576 38899044 51215364 77798088 102430728 539183971 1078367942 1617551913 2156735884 3235103826 4313471768 4852655739 6470207652 9705311478 12940415304 19410622956 38821245912