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3881049768 = 233339745259
BaseRepresentation
bin1110011101010100…
…0001111010101000
3101000110212202102000
43213111001322220
530422022043033
61441040211000
7165114243621
oct34725017250
911013782360
103881049768
11171182a152
12903909a60
1349b0a456b
1428b62ca48
1517aacaa13
hexe7541ea8

3881049768 has 64 divisors (see below), whose sum is σ = 10808088000. Its totient is φ = 1290396096.

The previous prime is 3881049737. The next prime is 3881049803. The reversal of 3881049768 is 8679401883.

3881049768 is a `hidden beast` number, since 3 + 88 + 10 + 497 + 68 = 666.

3881049768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63123 + ... + 108381.

It is an arithmetic number, because the mean of its divisors is an integer number (168876375).

Almost surely, 23881049768 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 3881049768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5404044000).

3881049768 is an abundant number, since it is smaller than the sum of its proper divisors (6927038232).

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

3881049768 is a wasteful number, since it uses less digits than its factorization.

3881049768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45671 (or 45661 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The square root of 3881049768 is about 62298.0719444832. The cubic root of 3881049768 is about 1571.5073043685.

The spelling of 3881049768 in words is "three billion, eight hundred eighty-one million, forty-nine thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 397 794 1191 1588 2382 3176 3573 4764 7146 9528 10719 14292 21438 28584 42876 45259 85752 90518 135777 181036 271554 362072 407331 543108 814662 1086216 1221993 1629324 2443986 3258648 4887972 9775944 17967823 35935646 53903469 71871292 107806938 143742584 161710407 215613876 323420814 431227752 485131221 646841628 970262442 1293683256 1940524884 3881049768