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3942631786047 = 34213121640369
BaseRepresentation
bin111001010111110111001…
…010101100011000111111
3111221220121210021110221020
4321113313022230120333
51004044002214123142
612215115310035223
7554563043144043
oct71276712543077
914856553243836
103942631786047
11129007394a3a9
125381374a8b13
13227a336903c6
14d8b78204023
156c854815cec
hex395f72ac63f

3942631786047 has 8 divisors (see below), whose sum is σ = 5269328944560. Its totient is φ = 2622177909120.

The previous prime is 3942631786013. The next prime is 3942631786133. The reversal of 3942631786047 is 7406871362493.

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

It is not a de Polignac number, because 3942631786047 - 210 = 3942631785023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3942631786547) 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, 1560818922 + ... + 1560821447.

It is an arithmetic number, because the mean of its divisors is an integer number (658666118070).

Almost surely, 23942631786047 is an apocalyptic number.

3942631786047 is a deficient number, since it is larger than the sum of its proper divisors (1326697158513).

3942631786047 is a wasteful number, since it uses less digits than its factorization.

3942631786047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3121640793.

The product of its (nonzero) digits is 36578304, while the sum is 60.

The spelling of 3942631786047 in words is "three trillion, nine hundred forty-two billion, six hundred thirty-one million, seven hundred eighty-six thousand, forty-seven".

Divisors: 1 3 421 1263 3121640369 9364921107 1314210595349 3942631786047