Search a number
-
+
8148951401 = 191494636217
BaseRepresentation
bin1111001011011011…
…10010000101101001
3210000220200121210212
413211231302011221
5113142112421101
63424340150505
7405636641543
oct74555620551
923026617725
108148951401
113501963888
1216b5098435
139cb365946
1457439c693
1532a61e1bb
hex1e5b72169

8148951401 has 16 divisors (see below), whose sum is σ = 8655456000. Its totient is φ = 7650453888.

The previous prime is 8148951379. The next prime is 8148951403. The reversal of 8148951401 is 1041598418.

It is a cyclic number.

It is not a de Polignac number, because 8148951401 - 226 = 8081842537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8148951403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1307645 + ... + 1313861.

It is an arithmetic number, because the mean of its divisors is an integer number (540966000).

Almost surely, 28148951401 is an apocalyptic number.

It is an amenable number.

8148951401 is a deficient number, since it is larger than the sum of its proper divisors (506504599).

8148951401 is a wasteful number, since it uses less digits than its factorization.

8148951401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6848.

The product of its (nonzero) digits is 46080, while the sum is 41.

The square root of 8148951401 is about 90271.5425867975. The cubic root of 8148951401 is about 2012.3363673189.

The spelling of 8148951401 in words is "eight billion, one hundred forty-eight million, nine hundred fifty-one thousand, four hundred one".

Divisors: 1 19 149 463 2831 6217 8797 68987 118123 926333 1310753 2878471 17600327 54690949 428892179 8148951401