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3664969780 = 225244774887
BaseRepresentation
bin1101101001110011…
…0000000000110100
3100110102021202101111
43122130300000310
530001213013110
61403401004404
7156551505043
oct33234600064
910412252344
103664969780
11161086404a
12863483704
134653aa194
1426aa6255a
15166b46e8a
hexda730034

3664969780 has 24 divisors (see below), whose sum is σ = 7699684608. Its totient is φ = 1465369248.

The previous prime is 3664969739. The next prime is 3664969873. The reversal of 3664969780 is 879694663.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

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 7 ways as a sum of consecutive naturals, for example, 11497 + ... + 86383.

It is an arithmetic number, because the mean of its divisors is an integer number (320820192).

Almost surely, 23664969780 is an apocalyptic number.

It is an amenable number.

3664969780 is an abundant number, since it is smaller than the sum of its proper divisors (4034714828).

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

3664969780 is a wasteful number, since it uses less digits than its factorization.

3664969780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77343 (or 77341 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 58.

The square root of 3664969780 is about 60538.9938799779. The cubic root of 3664969780 is about 1541.7837570218.

The spelling of 3664969780 in words is "three billion, six hundred sixty-four million, nine hundred sixty-nine thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 2447 4894 9788 12235 24470 48940 74887 149774 299548 374435 748870 1497740 183248489 366496978 732993956 916242445 1832484890 3664969780