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2623668480 = 283251713397
BaseRepresentation
bin1001110001100010…
…0000000100000000
320202211220011112200
42130120200010000
520333124342410
61112202153200
7122005546146
oct23430400400
96684804480
102623668480
111126aa0a64
126127b2800
1332a73c074
141ac643596
151055083c0
hex9c620100

2623668480 has 216 divisors, whose sum is σ = 9612314712. Its totient is φ = 658440192.

The previous prime is 2623668419. The next prime is 2623668493. The reversal of 2623668480 is 848663262.

It can be written as a sum of positive squares in 4 ways, for example, as 73822464 + 2549846016 = 8592^2 + 50496^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 189142 + ... + 202538.

It is an arithmetic number, because the mean of its divisors is an integer number (44501457).

Almost surely, 22623668480 is an apocalyptic number.

2623668480 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 2623668480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4806157356).

2623668480 is an abundant number, since it is smaller than the sum of its proper divisors (6988646232).

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

2623668480 is a wasteful number, since it uses less digits than its factorization.

2623668480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13441 (or 13424 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The square root of 2623668480 is about 51221.7578769023. The cubic root of 2623668480 is about 1379.2288066650.

The spelling of 2623668480 in words is "two billion, six hundred twenty-three million, six hundred sixty-eight thousand, four hundred eighty".