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39977312482 = 21941118721617
BaseRepresentation
bin100101001110110101…
…010110000011100010
310211012002100220002001
4211032311112003202
51123333142444412
630210524314214
72613450356302
oct451665260342
9124162326061
1039977312482
1115a55172628
1278b83a296a
133a0146aab3
141d13583602
15108ea04957
hex94ed560e2

39977312482 has 32 divisors (see below), whose sum is σ = 64719103680. Its totient is φ = 18458334720.

The previous prime is 39977312471. The next prime is 39977312497. The reversal of 39977312482 is 28421377993.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1838538 + ... + 1860154.

It is an arithmetic number, because the mean of its divisors is an integer number (2022471990).

Almost surely, 239977312482 is an apocalyptic number.

39977312482 is a deficient number, since it is larger than the sum of its proper divisors (24741791198).

39977312482 is a wasteful number, since it uses less digits than its factorization.

39977312482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22866.

The product of its digits is 4572288, while the sum is 55.

The spelling of 39977312482 in words is "thirty-nine billion, nine hundred seventy-seven million, three hundred twelve thousand, four hundred eighty-two".

Divisors: 1 2 19 38 41 82 779 1187 1558 2374 21617 22553 43234 45106 48667 97334 410723 821446 886297 924673 1772594 1849346 16839643 25659379 33679286 51318758 487528201 975056402 1052034539 2104069078 19988656241 39977312482