Search a number
-
+
90365805848 = 2337330283447
BaseRepresentation
bin101010000101000111…
…0001100010100011000
322122020202012120102002
41110022032030110120
52440032121241343
6105302524500132
76346230450623
oct1241216142430
9278222176362
1090365805848
113536216147a
121561b3aa648
1386a1850846
144533720dba
15253d5388b8
hex150a38c518

90365805848 has 16 divisors (see below), whose sum is σ = 169890143280. Its totient is φ = 45061767648.

The previous prime is 90365805841. The next prime is 90365805851. The reversal of 90365805848 is 84850856309.

It is a junction number, because it is equal to n+sod(n) for n = 90365805793 and 90365805802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90365805841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15138740 + ... + 15144707.

It is an arithmetic number, because the mean of its divisors is an integer number (10618133955).

Almost surely, 290365805848 is an apocalyptic number.

It is an amenable number.

90365805848 is a deficient number, since it is larger than the sum of its proper divisors (79524337432).

90365805848 is a wasteful number, since it uses less digits than its factorization.

90365805848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30283826 (or 30283822 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 56.

The spelling of 90365805848 in words is "ninety billion, three hundred sixty-five million, eight hundred five thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 373 746 1492 2984 30283447 60566894 121133788 242267576 11295725731 22591451462 45182902924 90365805848