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234521675766157 = 1376123705819849
BaseRepresentation
bin110101010100101111010101…
…001011010001100110001101
31010202101001102211000020111011
4311110233111023101212031
5221214400342444004112
62150441434232525221
7100253426515614163
oct6524572513214615
91122331384006434
10234521675766157
11687a90a200339a
1222377a56850811
13a0b23b7262250
1441caca41d3233
151c1a6a888aaa7
hexd54bd52d198d

234521675766157 has 8 divisors (see below), whose sum is σ = 252893686159800. Its totient is φ = 216197077013760.

The previous prime is 234521675766151. The next prime is 234521675766179. The reversal of 234521675766157 is 751667576125432.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5235030944361 + 229286644821796 = 2288019^2 + 15142214^2 .

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-234521675766157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 234521675766092 and 234521675766101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234521675766151) 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, 11852900032 + ... + 11852919817.

It is an arithmetic number, because the mean of its divisors is an integer number (31611710769975).

Almost surely, 2234521675766157 is an apocalyptic number.

It is an amenable number.

234521675766157 is a deficient number, since it is larger than the sum of its proper divisors (18372010393643).

234521675766157 is a wasteful number, since it uses less digits than its factorization.

234521675766157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23705820623.

The product of its digits is 444528000, while the sum is 67.

The spelling of 234521675766157 in words is "two hundred thirty-four trillion, five hundred twenty-one billion, six hundred seventy-five million, seven hundred sixty-six thousand, one hundred fifty-seven".

Divisors: 1 13 761 9893 23705819849 308175658037 18040128905089 234521675766157