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3128164892 = 221979339511
BaseRepresentation
bin1011101001110100…
…0000001000011100
322002000012020111222
42322131000020130
522401302234032
61234223232512
7140342651156
oct27235001034
98060166458
103128164892
111365849646
12733748738
133ab109958
14219649ad6
1513495da12
hexba74021c

3128164892 has 12 divisors (see below), whose sum is σ = 5474703696. Its totient is φ = 1563963840.

The previous prime is 3128164859. The next prime is 3128164913. The reversal of 3128164892 is 2984618213.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59417 + ... + 98927.

It is an arithmetic number, because the mean of its divisors is an integer number (456225308).

Almost surely, 23128164892 is an apocalyptic number.

It is an amenable number.

3128164892 is a deficient number, since it is larger than the sum of its proper divisors (2346538804).

3128164892 is a wasteful number, since it uses less digits than its factorization.

3128164892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59308 (or 59306 counting only the distinct ones).

The product of its digits is 165888, while the sum is 44.

The square root of 3128164892 is about 55929.9999284820. Note that the first 4 decimals coincide. The cubic root of 3128164892 is about 1462.5022599327.

The spelling of 3128164892 in words is "three billion, one hundred twenty-eight million, one hundred sixty-four thousand, eight hundred ninety-two".

Divisors: 1 2 4 19793 39511 39586 79022 79172 158044 782041223 1564082446 3128164892