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2720669952 = 283711133539
BaseRepresentation
bin1010001000101010…
…0010000100000000
321000121102100112210
42202022202010000
521032442414302
61125545222120
7124264212240
oct24212420400
97017370483
102720669952
111176824670
1263b191940
13344872aa0
141bb493b20
1510dcb966c
hexa22a2100

2720669952 has 288 divisors, whose sum is σ = 9724861440. Its totient is φ = 652124160.

The previous prime is 2720669947. The next prime is 2720669969. The reversal of 2720669952 is 2599660272.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 766999 + ... + 770537.

It is an arithmetic number, because the mean of its divisors is an integer number (33766880).

Almost surely, 22720669952 is an apocalyptic number.

2720669952 is a gapful number since it is divisible by the number (22) 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 2720669952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4862430720).

2720669952 is an abundant number, since it is smaller than the sum of its proper divisors (7004191488).

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

2720669952 is a wasteful number, since it uses less digits than its factorization.

2720669952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3589 (or 3575 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 48.

The square root of 2720669952 is about 52160.0417177747. The cubic root of 2720669952 is about 1396.0210066269.

The spelling of 2720669952 in words is "two billion, seven hundred twenty million, six hundred sixty-nine thousand, nine hundred fifty-two".