Search a number
-
+
283115220220 = 22572022251573
BaseRepresentation
bin1000001111010101111…
…10110110110011111100
31000001202210020100021001
410013222332312303330
514114304444021340
6334021125420044
726311600444210
oct4075276666374
91001683210231
10283115220220
11aa083185348
1246a5286a624
132090b97a961
14d9ba896940
15757019629a
hex41eafb6cfc

283115220220 has 24 divisors (see below), whose sum is σ = 679476528864. Its totient is φ = 97068075456.

The previous prime is 283115220203. The next prime is 283115220247. The reversal of 283115220220 is 22022511382.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1011125647 + ... + 1011125926.

It is an arithmetic number, because the mean of its divisors is an integer number (28311522036).

Almost surely, 2283115220220 is an apocalyptic number.

283115220220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

283115220220 is an abundant number, since it is smaller than the sum of its proper divisors (396361308644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

283115220220 is a wasteful number, since it uses less digits than its factorization.

283115220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022251589 (or 2022251587 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The spelling of 283115220220 in words is "two hundred eighty-three billion, one hundred fifteen million, two hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 2022251573 4044503146 8089006292 10111257865 14155761011 20222515730 28311522022 40445031460 56623044044 70778805055 141557610110 283115220220