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3689003691 = 321921573121
BaseRepresentation
bin1101101111100001…
…1011101010101011
3100112002111210201100
43123320123222223
530023341104231
61410020052443
7160263004542
oct33370335253
910462453640
103689003691
11162338a08a
1286b534123
1346a373729
1426dd1b159
15168ce31e6
hexdbe1baab

3689003691 has 12 divisors (see below), whose sum is σ = 5609011720. Its totient is φ = 2329896960.

The previous prime is 3689003677. The next prime is 3689003713. The reversal of 3689003691 is 1963009863.

It is not a de Polignac number, because 3689003691 - 214 = 3688987307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3689003611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10786390 + ... + 10786731.

Almost surely, 23689003691 is an apocalyptic number.

3689003691 is a deficient number, since it is larger than the sum of its proper divisors (1920008029).

3689003691 is a wasteful number, since it uses less digits than its factorization.

3689003691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21573146 (or 21573143 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 3689003691 is about 60737.1689412669. The cubic root of 3689003691 is about 1545.1466213319.

The spelling of 3689003691 in words is "three billion, six hundred eighty-nine million, three thousand, six hundred ninety-one".

Divisors: 1 3 9 19 57 171 21573121 64719363 194158089 409889299 1229667897 3689003691