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2748799872 = 273271322017
BaseRepresentation
bin1010001111010111…
…0101101110000000
321002120100111112200
42203311311232000
521112143043442
61132432153200
7125055261540
oct24365655600
97076314480
102748799872
111190698035
12648698800
1334a641800
141c10d7320
151114c434c
hexa3d75b80

2748799872 has 288 divisors, whose sum is σ = 9793676880. Its totient is φ = 724598784.

The previous prime is 2748799849. The next prime is 2748799877. The reversal of 2748799872 is 2789978472.

2748799872 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2748799877) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1361808 + ... + 1363824.

Almost surely, 22748799872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2748799872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4896838440).

2748799872 is an abundant number, since it is smaller than the sum of its proper divisors (7044877008).

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

2748799872 is a wasteful number, since it uses less digits than its factorization.

2748799872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070 (or 2042 counting only the distinct ones).

The product of its digits is 28449792, while the sum is 63.

The square root of 2748799872 is about 52428.9983882965. The cubic root of 2748799872 is about 1400.8158292571.

The spelling of 2748799872 in words is "two billion, seven hundred forty-eight million, seven hundred ninety-nine thousand, eight hundred seventy-two".