Search a number
-
+
20130535132 = 2289199284153
BaseRepresentation
bin10010101111110111…
…111001011011011100
31220221221011010210021
4102233313321123130
5312211404111012
613125311121524
71311565503541
oct225767713334
956857133707
1020130535132
1185a0186aa4
123a998132a4
131b8a74cb66
14d8d784bc8
157cc453007
hex4afdf96dc

20130535132 has 24 divisors (see below), whose sum is σ = 35803404000. Its totient is φ = 9902128896.

The previous prime is 20130535121. The next prime is 20130535147. The reversal of 20130535132 is 23153503102.

It is a junction number, because it is equal to n+sod(n) for n = 20130535097 and 20130535106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71233 + ... + 212920.

It is an arithmetic number, because the mean of its divisors is an integer number (1491808500).

Almost surely, 220130535132 is an apocalyptic number.

It is an amenable number.

20130535132 is a deficient number, since it is larger than the sum of its proper divisors (15672868868).

20130535132 is a wasteful number, since it uses less digits than its factorization.

20130535132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284445 (or 284443 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The spelling of 20130535132 in words is "twenty billion, one hundred thirty million, five hundred thirty-five thousand, one hundred thirty-two".

Divisors: 1 2 4 89 178 199 356 398 796 17711 35422 70844 284153 568306 1136612 25289617 50579234 56546447 101158468 113092894 226185788 5032633783 10065267566 20130535132