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3115911357904 = 246110131609229
BaseRepresentation
bin101101010101111010110…
…010100010010111010000
3102000212201012221100101211
4231111322302202113100
5402022341301423104
610343232510105504
7441055121354122
oct55257262422720
912025635840354
103115911357904
11aa14a5803544
12423a744ab294
13197aa192aa07
14aab4d213212
15560ba7b4e04
hex2d57aca25d0

3115911357904 has 40 divisors (see below), whose sum is σ = 6196799886120. Its totient is φ = 1517242944000.

The previous prime is 3115911357893. The next prime is 3115911357907. The reversal of 3115911357904 is 4097531195113.

3115911357904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 126636339600 + 2989275018304 = 355860^2 + 1728952^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3115911357907) 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, 15706039 + ... + 15903190.

It is an arithmetic number, because the mean of its divisors is an integer number (154919997153).

Almost surely, 23115911357904 is an apocalyptic number.

It is an amenable number.

3115911357904 is a deficient number, since it is larger than the sum of its proper divisors (3080888528216).

3115911357904 is a wasteful number, since it uses less digits than its factorization.

3115911357904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31609399 (or 31609393 counting only the distinct ones).

The product of its (nonzero) digits is 510300, while the sum is 49.

The spelling of 3115911357904 in words is "three trillion, one hundred fifteen billion, nine hundred eleven million, three hundred fifty-seven thousand, nine hundred four".

Divisors: 1 2 4 8 16 61 101 122 202 244 404 488 808 976 1616 6161 12322 24644 49288 98576 31609229 63218458 126436916 252873832 505747664 1928162969 3192532129 3856325938 6385064258 7712651876 12770128516 15425303752 25540257032 30850607504 51080514064 194744459869 389488919738 778977839476 1557955678952 3115911357904