Search a number
-
+
78920412848 = 244932525803
BaseRepresentation
bin100100110000000000…
…1011110111010110000
321112201002200100211122
41021200001132322300
52243112111202343
6100131110201412
75462502304124
oct1114001367260
9245632610748
1078920412848
11305195742a2
1213366353268
137599580454
143b69631584
1520bd81b068
hex126005eeb0

78920412848 has 10 divisors (see below), whose sum is σ = 152908299924. Its totient is φ = 39460206416.

The previous prime is 78920412833. The next prime is 78920412869. The reversal of 78920412848 is 84821402987.

It is a super-2 number, since 2×789204128482 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78920412848.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2466262886 + ... + 2466262917.

Almost surely, 278920412848 is an apocalyptic number.

It is an amenable number.

78920412848 is a deficient number, since it is larger than the sum of its proper divisors (73987887076).

78920412848 is a wasteful number, since it uses less digits than its factorization.

78920412848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4932525811 (or 4932525805 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 53.

The spelling of 78920412848 in words is "seventy-eight billion, nine hundred twenty million, four hundred twelve thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 16 4932525803 9865051606 19730103212 39460206424 78920412848