Search a number
-
+
48657423491 = 166929153639
BaseRepresentation
bin101101010100001101…
…010101110010000011
311122121000112012212222
4231110031111302003
51244122300022431
634204121241255
73341530163345
oct552415256203
9148530465788
1048657423491
11196a9935496
12951b33322b
134785878561
1424d82c9295
1513eba9457b
hexb54355c83

48657423491 has 4 divisors (see below), whose sum is σ = 48686578800. Its totient is φ = 48628268184.

The previous prime is 48657423457. The next prime is 48657423559. The reversal of 48657423491 is 19432475684.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-48657423491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48657423421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14575151 + ... + 14578488.

It is an arithmetic number, because the mean of its divisors is an integer number (12171644700).

Almost surely, 248657423491 is an apocalyptic number.

48657423491 is a deficient number, since it is larger than the sum of its proper divisors (29155309).

48657423491 is a wasteful number, since it uses less digits than its factorization.

48657423491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29155308.

The product of its digits is 5806080, while the sum is 53.

The spelling of 48657423491 in words is "forty-eight billion, six hundred fifty-seven million, four hundred twenty-three thousand, four hundred ninety-one".

Divisors: 1 1669 29153639 48657423491