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109508370857 = 4312713200323
BaseRepresentation
bin110010111111100110…
…1010010000110101001
3101110122211022121222022
41211333031102012221
53243233120331412
6122150224234225
710624501536224
oct1457715220651
9343584277868
10109508370857
1142495690936
121928216b975
13a4326b5ca2
14542bbaa5bb
152cadd84a72
hex197f3521a9

109508370857 has 8 divisors (see below), whose sum is σ = 112064450784. Its totient is φ = 106952717088.

The previous prime is 109508370833. The next prime is 109508370887. The reversal of 109508370857 is 758073805901.

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 a de Polignac number, because none of the positive numbers 2k-109508370857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109508370799 and 109508370808.

It is not an unprimeable number, because it can be changed into a prime (109508370887) 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, 446498 + ... + 646820.

It is an arithmetic number, because the mean of its divisors is an integer number (14008056348).

Almost surely, 2109508370857 is an apocalyptic number.

It is an amenable number.

109508370857 is a deficient number, since it is larger than the sum of its proper divisors (2556079927).

109508370857 is a wasteful number, since it uses less digits than its factorization.

109508370857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213079.

The product of its (nonzero) digits is 2116800, while the sum is 53.

The spelling of 109508370857 in words is "one hundred nine billion, five hundred eight million, three hundred seventy thousand, eight hundred fifty-seven".

Divisors: 1 43 12713 200323 546659 8613889 2546706299 109508370857