Search a number
-
+
10208080015688 = 231276010001961
BaseRepresentation
bin1001010010001100000011…
…1110111011000101001000
31100010212211122111021010002
42110203000332323011020
52314222121441000223
633413305513542132
72102336511321332
oct224430076730510
940125748437102
1010208080015688
11328624a054635
12118a489414948
13590805455069
14274106386452
1512a80791ae28
hex948c0fbb148

10208080015688 has 8 divisors (see below), whose sum is σ = 19140150029430. Its totient is φ = 5104040007840.

The previous prime is 10208080015621. The next prime is 10208080015691. The reversal of 10208080015688 is 88651008080201.

It can be written as a sum of positive squares in only one way, i.e., 6328354046884 + 3879725968804 = 2515622^2 + 1969702^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×102080800156882 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 638005000973 + ... + 638005000988.

Almost surely, 210208080015688 is an apocalyptic number.

It is an amenable number.

10208080015688 is a deficient number, since it is larger than the sum of its proper divisors (8932070013742).

10208080015688 is a wasteful number, since it uses less digits than its factorization.

10208080015688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276010001967 (or 1276010001963 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 47.

Adding to 10208080015688 its reverse (88651008080201), we get a palindrome (98859088095889).

The spelling of 10208080015688 in words is "ten trillion, two hundred eight billion, eighty million, fifteen thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 1276010001961 2552020003922 5104040007844 10208080015688