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4981166816 = 25155661463
BaseRepresentation
bin1001010001110011…
…01001001011100000
3110212010221111021212
410220321221023200
540200134314231
62142135405252
7234303135143
oct45071511340
913763844255
104981166816
11212681439a
12b70223828
13614c965b2
1435379c05a
151e248642b
hex128e692e0

4981166816 has 12 divisors (see below), whose sum is σ = 9806672232. Its totient is φ = 2490583392.

The previous prime is 4981166807. The next prime is 4981166837. The reversal of 4981166816 is 6186611894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77830700 + ... + 77830763.

It is an arithmetic number, because the mean of its divisors is an integer number (817222686).

Almost surely, 24981166816 is an apocalyptic number.

It is an amenable number.

4981166816 is a deficient number, since it is larger than the sum of its proper divisors (4825505416).

4981166816 is a wasteful number, since it uses less digits than its factorization.

4981166816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155661473 (or 155661465 counting only the distinct ones).

The product of its digits is 497664, while the sum is 50.

The square root of 4981166816 is about 70577.3817593144. The cubic root of 4981166816 is about 1707.8262926487.

The spelling of 4981166816 in words is "four billion, nine hundred eighty-one million, one hundred sixty-six thousand, eight hundred sixteen".

Divisors: 1 2 4 8 16 32 155661463 311322926 622645852 1245291704 2490583408 4981166816