Search a number
-
+
56805675378 = 2379119843197
BaseRepresentation
bin110100111001111000…
…011101000101110010
312102121212220022010220
4310321320131011302
51412314223103003
642032434433510
74050461162634
oct647170350562
9172555808126
1056805675378
1122100360761
12b014132896
135483a2798a
142a6c544a54
1517270c6353
hexd39e1d172

56805675378 has 16 divisors (see below), whose sum is σ = 115049470080. Its totient is φ = 18695538576.

The previous prime is 56805675349. The next prime is 56805675419. The reversal of 56805675378 is 87357650865.

It is a Curzon 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, 59921125 + ... + 59922072.

It is an arithmetic number, because the mean of its divisors is an integer number (7190591880).

Almost surely, 256805675378 is an apocalyptic number.

56805675378 is an abundant number, since it is smaller than the sum of its proper divisors (58243794702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56805675378 is a wasteful number, since it uses less digits than its factorization.

56805675378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119843281.

The product of its (nonzero) digits is 42336000, while the sum is 60.

The spelling of 56805675378 in words is "fifty-six billion, eight hundred five million, six hundred seventy-five thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 79 158 237 474 119843197 239686394 359529591 719059182 9467612563 18935225126 28402837689 56805675378