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39914879705 = 542223189067
BaseRepresentation
bin100101001011000111…
…001011101011011001
310211000201212222101222
4211023013023223121
51123221202122310
630200414221425
72612061610451
oct451307135331
9124021788358
1039914879705
1115a229aa998
12789b4b4875
1339c154b71c
141d09170d61
1510892c1055
hex94b1cbad9

39914879705 has 8 divisors (see below), whose sum is σ = 47899243392. Its totient is φ = 31930978608.

The previous prime is 39914879677. The next prime is 39914879749. The reversal of 39914879705 is 50797841993.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39914879705 - 226 = 39847770841 is a prime.

It is a Duffinian 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, 116582 + ... + 305648.

It is an arithmetic number, because the mean of its divisors is an integer number (5987405424).

Almost surely, 239914879705 is an apocalyptic number.

It is an amenable number.

39914879705 is a deficient number, since it is larger than the sum of its proper divisors (7984363687).

39914879705 is a wasteful number, since it uses less digits than its factorization.

39914879705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231295.

The product of its (nonzero) digits is 17146080, while the sum is 62.

The spelling of 39914879705 in words is "thirty-nine billion, nine hundred fourteen million, eight hundred seventy-nine thousand, seven hundred five".

Divisors: 1 5 42223 189067 211115 945335 7982975941 39914879705