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2628227143680 = 21135611402529
BaseRepresentation
bin100110001111101110100…
…010111001100000000000
3100022020220200001101011020
4212033232202321200000
5321030102122044210
65331220232545440
7360611630055435
oct46175642714000
910266820041136
102628227143680
119236967831a6
1236544bb52280
13160ac11ab758
14912c792db8c
1548575ecd770
hex263ee8b9800

2628227143680 has 192 divisors, whose sum is σ = 8546120200800. Its totient is φ = 689370562560.

The previous prime is 2628227143651. The next prime is 2628227143681. The reversal of 2628227143680 is 863417228262.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2628227143681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1172656 + ... + 2575184.

Almost surely, 22628227143680 is an apocalyptic number.

2628227143680 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 2628227143680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4273060100400).

2628227143680 is an abundant number, since it is smaller than the sum of its proper divisors (5917893057120).

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

2628227143680 is a wasteful number, since it uses less digits than its factorization.

2628227143680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402620 (or 1402600 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 51.

The spelling of 2628227143680 in words is "two trillion, six hundred twenty-eight billion, two hundred twenty-seven million, one hundred forty-three thousand, six hundred eighty".