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38311421038 = 2118320981063
BaseRepresentation
bin100011101011100010…
…011110010001101110
310122212222200211121221
4203223202132101232
51111430210433123
625333334413554
72524251464032
oct435342362156
9118788624557
1038311421038
111527a886740
1275125012ba
1337c72a4607
141bd621a1c2
15ee363c25d
hex8eb89e46e

38311421038 has 16 divisors (see below), whose sum is σ = 63446737536. Its totient is φ = 17204470840.

The previous prime is 38311420993. The next prime is 38311421089. The reversal of 38311421038 is 83012411383.

It is a junction number, because it is equal to n+sod(n) for n = 38311420994 and 38311421012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10488706 + ... + 10492357.

It is an arithmetic number, because the mean of its divisors is an integer number (3965421096).

Almost surely, 238311421038 is an apocalyptic number.

38311421038 is a deficient number, since it is larger than the sum of its proper divisors (25135316498).

38311421038 is a wasteful number, since it uses less digits than its factorization.

38311421038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20981159.

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 38311421038 in words is "thirty-eight billion, three hundred eleven million, four hundred twenty-one thousand, thirty-eight".

Divisors: 1 2 11 22 83 166 913 1826 20981063 41962126 230791693 461583386 1741428229 3482856458 19155710519 38311421038