Search a number
-
+
39907640159 = 229197388327
BaseRepresentation
bin100101001010101011…
…100100001101011111
310211000020021011121122
4211022223210031133
51123212323441114
630155555121155
72611643226062
oct451253441537
9124006234548
1039907640159
1115a199057a2
127898ba31bb
1339bcbb547a
141d082088d9
151088840e8e
hex94aae435f

39907640159 has 8 divisors (see below), whose sum is σ = 40102678560. Its totient is φ = 39712782816.

The previous prime is 39907640119. The next prime is 39907640189. The reversal of 39907640159 is 95104670993.

It is a happy number.

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 39907640159 - 28 = 39907639903 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39907640159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39907640119) by changing a digit.

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, 407654 + ... + 495980.

It is an arithmetic number, because the mean of its divisors is an integer number (5012834820).

Almost surely, 239907640159 is an apocalyptic number.

39907640159 is a deficient number, since it is larger than the sum of its proper divisors (195038401).

39907640159 is a wasteful number, since it uses less digits than its factorization.

39907640159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90529.

The product of its (nonzero) digits is 1837080, while the sum is 53.

The spelling of 39907640159 in words is "thirty-nine billion, nine hundred seven million, six hundred forty thousand, one hundred fifty-nine".

Divisors: 1 229 1973 88327 451817 20226883 174269171 39907640159