Search a number
-
+
78876143484201 = 3373449912096991
BaseRepresentation
bin10001111011110011001000…
…100000110111110100101001
3101100021111010001112200112000
4101323303020200313310221
540314301320212443301
6435431111115041213
722420420236263520
oct2173631040676451
9340244101480460
1078876143484201
1123150203777798
128a1a884a40209
133501cb0717b0b
1415698a8d614b7
1591bb3988a786
hex47bcc8837d29

78876143484201 has 32 divisors (see below), whose sum is σ = 133550791680000. Its totient is φ = 45070771790160.

The previous prime is 78876143484143. The next prime is 78876143484209. The reversal of 78876143484201 is 10248434167887.

78876143484201 is a `hidden beast` number, since 7 + 8 + 8 + 7 + 6 + 143 + 484 + 2 + 0 + 1 = 666.

It is not a de Polignac number, because 78876143484201 - 26 = 78876143484137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (78876143484209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 471816 + ... + 12568806.

It is an arithmetic number, because the mean of its divisors is an integer number (4173462240000).

Almost surely, 278876143484201 is an apocalyptic number.

It is an amenable number.

78876143484201 is a deficient number, since it is larger than the sum of its proper divisors (54674648195799).

78876143484201 is a wasteful number, since it uses less digits than its factorization.

78876143484201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12131506 (or 12131500 counting only the distinct ones).

The product of its (nonzero) digits is 57802752, while the sum is 63.

The spelling of 78876143484201 in words is "seventy-eight trillion, eight hundred seventy-six billion, one hundred forty-three million, four hundred eighty-four thousand, two hundred one".

Divisors: 1 3 7 9 21 27 63 189 34499 103497 241493 310491 724479 931473 2173437 6520311 12096991 36290973 84678937 108872919 254036811 326618757 762110433 2286331299 417334092509 1252002277527 2921338647563 3756006832581 8764015942689 11268020497743 26292047828067 78876143484201