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2728026746880 = 212352389109199
BaseRepresentation
bin100111101100101011000…
…100001011000000000000
3100122210111212121111200020
4213230223010023000000
5324143444321400010
65445123240453440
7401044021514631
oct47545304130000
910583455544606
102728026746880
11961a49a85206
1238086277a280
1316a3373253b6
1496074107888
154ae67831470
hex27b2b10b000

2728026746880 has 832 divisors, whose sum is σ = 9341671680000. Its totient is φ = 678288162816.

The previous prime is 2728026746869. The next prime is 2728026746897. The reversal of 2728026746880 is 886476208272.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13708677021 + ... + 13708677219.

Almost surely, 22728026746880 is an apocalyptic number.

2728026746880 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 2728026746880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4670835840000).

2728026746880 is an abundant number, since it is smaller than the sum of its proper divisors (6613644933120).

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

2728026746880 is a wasteful number, since it uses less digits than its factorization.

2728026746880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 28901376, while the sum is 60.

The spelling of 2728026746880 in words is "two trillion, seven hundred twenty-eight billion, twenty-six million, seven hundred forty-six thousand, eight hundred eighty".