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31678030355 = 513614655111
BaseRepresentation
bin11101100000001010…
…000110001000010011
310000202200210200021112
4131200022012020103
51004334033432410
622315214043535
72201003546426
oct354012061023
9100680720245
1031678030355
1112486471084
126180aa95ab
132caac1b87a
1417672519bd
15c560dd105
hex760286213

31678030355 has 8 divisors (see below), whose sum is σ = 38041575264. Its totient is φ = 25323798400.

The previous prime is 31678030303. The next prime is 31678030381. The reversal of 31678030355 is 55303087613.

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

It is not a de Polignac number, because 31678030355 - 26 = 31678030291 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2320751 + ... + 2334360.

It is an arithmetic number, because the mean of its divisors is an integer number (4755196908).

Almost surely, 231678030355 is an apocalyptic number.

31678030355 is a deficient number, since it is larger than the sum of its proper divisors (6363544909).

31678030355 is a wasteful number, since it uses less digits than its factorization.

31678030355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4656477.

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 31678030355 in words is "thirty-one billion, six hundred seventy-eight million, thirty thousand, three hundred fifty-five".

Divisors: 1 5 1361 6805 4655111 23275555 6335606071 31678030355