Search a number
-
+
9968532479 = 139102170241
BaseRepresentation
bin10010100100010101…
…11011101111111111
3221201201112220210122
421102022323233333
5130403421014404
64325100125155
7502013061623
oct112212735777
927651486718
109968532479
114255a81aa4
121b225367bb
13c2b320539
146a7cd1183
153d52443be
hex2522bbbff

9968532479 has 8 divisors (see below), whose sum is σ = 10050225360. Its totient is φ = 9886982400.

The previous prime is 9968532461. The next prime is 9968532517. The reversal of 9968532479 is 9742358699.

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 not a de Polignac number, because 9968532479 - 228 = 9700097023 is a prime.

It is a super-4 number, since 4×99685324794 (a number of 41 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9968532439) 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, 106799 + ... + 177039.

It is an arithmetic number, because the mean of its divisors is an integer number (1256278170).

Almost surely, 29968532479 is an apocalyptic number.

9968532479 is a deficient number, since it is larger than the sum of its proper divisors (81692881).

9968532479 is a wasteful number, since it uses less digits than its factorization.

9968532479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71401.

The product of its digits is 29393280, while the sum is 62.

The square root of 9968532479 is about 99842.5384242608. The cubic root of 9968532479 is about 2152.1724915490.

The spelling of 9968532479 in words is "nine billion, nine hundred sixty-eight million, five hundred thirty-two thousand, four hundred seventy-nine".

Divisors: 1 139 1021 70241 141919 9763499 71716061 9968532479