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38850946947 = 331438923961
BaseRepresentation
bin100100001011101100…
…100110011110000011
310201021120220121001000
4210023230212132003
51114031320300242
625503050343043
72543522412621
oct441354463603
9121246817030
1038850946947
111552738a51a
12764312aa83
133881cb8507
141c47b40511
151025bb1a4c
hex90bb26783

38850946947 has 8 divisors (see below), whose sum is σ = 57556958480. Its totient is φ = 25900631280.

The previous prime is 38850946931. The next prime is 38850947029. The reversal of 38850946947 is 74964905883.

38850946947 is a `hidden beast` number, since 3 + 88 + 50 + 9 + 469 + 47 = 666.

It is not a de Polignac number, because 38850946947 - 24 = 38850946931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38850942947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 719461954 + ... + 719462007.

It is an arithmetic number, because the mean of its divisors is an integer number (7194619810).

Almost surely, 238850946947 is an apocalyptic number.

38850946947 is a deficient number, since it is larger than the sum of its proper divisors (18706011533).

38850946947 is a wasteful number, since it uses less digits than its factorization.

38850946947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438923970 (or 1438923964 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 38850946947 in words is "thirty-eight billion, eight hundred fifty million, nine hundred forty-six thousand, nine hundred forty-seven".

Divisors: 1 3 9 27 1438923961 4316771883 12950315649 38850946947