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2873990160 = 243551931251
BaseRepresentation
bin1010101101001101…
…1001110000010000
321102021220211100000
42223103121300100
521341220141120
61153103330000
7131135341026
oct25323316020
97367824300
102873990160
111245324388
126825b0900
1336a564cc2
141d39a4716
1511c4a2990
hexab4d9c10

2873990160 has 480 divisors, whose sum is σ = 10919301120. Its totient is φ = 699840000.

The previous prime is 2873990159. The next prime is 2873990167. The reversal of 2873990160 is 610993782.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2873990167) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11450035 + ... + 11450285.

It is an arithmetic number, because the mean of its divisors is an integer number (22748544).

Almost surely, 22873990160 is an apocalyptic number.

2873990160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2873990160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5459650560).

2873990160 is an abundant number, since it is smaller than the sum of its proper divisors (8045310960).

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

2873990160 is a wasteful number, since it uses less digits than its factorization.

2873990160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 2873990160 is about 53609.6088402070. The cubic root of 2873990160 is about 1421.7669863350.

The spelling of 2873990160 in words is "two billion, eight hundred seventy-three million, nine hundred ninety thousand, one hundred sixty".