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38998670484922 = 282173757322013
BaseRepresentation
bin10001101111000000101011…
…11001101010010110111010
312010002020101101210020000021
420313200111321222112322
520102423234121004142
6214535424125401054
711133363260435311
oct1067402571522672
9163066341706007
1038998670484922
1111476274882895
12445a253a0918a
13189b735a2b915
1498b78d66b278
154796a18d5267
hex237815e6a5ba

38998670484922 has 16 divisors (see below), whose sum is σ = 58570233837192. Its totient is φ = 19475259999040.

The previous prime is 38998670484887. The next prime is 38998670484923. The reversal of 38998670484922 is 22948407689983.

It can be written as a sum of positive squares in 4 ways, for example, as 11939229391761 + 27059441093161 = 3455319^2 + 5201869^2 .

It is not an unprimeable number, because it can be changed into a prime (38998670484923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120947988 + ... + 121270000.

Almost surely, 238998670484922 is an apocalyptic number.

38998670484922 is a deficient number, since it is larger than the sum of its proper divisors (19571563352270).

38998670484922 is a wasteful number, since it uses less digits than its factorization.

38998670484922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396593.

The product of its (nonzero) digits is 3009871872, while the sum is 79.

The spelling of 38998670484922 in words is "thirty-eight trillion, nine hundred ninety-eight billion, six hundred seventy million, four hundred eighty-four thousand, nine hundred twenty-two".

Divisors: 1 2 821 1642 73757 147514 322013 644026 60554497 121108994 264372673 528745346 23750712841 47501425682 19499335242461 38998670484922