Search a number
-
+
28063012408 = 23101107324593
BaseRepresentation
bin11010001000101011…
…111001011000111000
32200102202111201220221
4122020223321120320
5424433112344113
620520355425424
72012266445464
oct321053713070
980382451827
1028063012408
11109a0925642
1255322b5274
132852cb0bb2
1415030b34a4
15ae3a6198d
hex688af9638

28063012408 has 32 divisors (see below), whose sum is σ = 53635912560. Its totient is φ = 13762700800.

The previous prime is 28063012387. The next prime is 28063012499. The reversal of 28063012408 is 80421036082.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 75841 + ... + 248752.

Almost surely, 228063012408 is an apocalyptic number.

It is an amenable number.

28063012408 is a deficient number, since it is larger than the sum of its proper divisors (25572900152).

28063012408 is a wasteful number, since it uses less digits than its factorization.

28063012408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324807 (or 324803 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The spelling of 28063012408 in words is "twenty-eight billion, sixty-three million, twelve thousand, four hundred eight".

Divisors: 1 2 4 8 101 107 202 214 404 428 808 856 10807 21614 43228 86456 324593 649186 1298372 2596744 32783893 34731451 65567786 69462902 131135572 138925804 262271144 277851608 3507876551 7015753102 14031506204 28063012408