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3383190721 = 29799111621
BaseRepresentation
bin1100100110100111…
…0110010011000001
322201210001220012001
43021221312103001
523412044100341
61315413304001
7146560434541
oct31151662301
98653056161
103383190721
1114867a5299
127a5035001
1341bbbbb01
14241473321
1514c036d31
hexc9a764c1

3383190721 has 16 divisors (see below), whose sum is σ = 3550233600. Its totient is φ = 3219652800.

The previous prime is 3383190697. The next prime is 3383190737. The reversal of 3383190721 is 1270913833.

It is a 2-Lehmer number, since φ(3383190721) divides (3383190721-1)2.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3383190721 is a prime.

It is a super-2 number, since 2×33831907212 = 22891958909320999682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3383190781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2086291 + ... + 2087911.

It is an arithmetic number, because the mean of its divisors is an integer number (221889600).

Almost surely, 23383190721 is an apocalyptic number.

It is an amenable number.

3383190721 is a deficient number, since it is larger than the sum of its proper divisors (167042879).

3383190721 is a wasteful number, since it uses less digits than its factorization.

3383190721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2640.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 3383190721 is about 58165.2019767833. The cubic root of 3383190721 is about 1501.2124598448.

The spelling of 3383190721 in words is "three billion, three hundred eighty-three million, one hundred ninety thousand, seven hundred twenty-one".

Divisors: 1 29 79 911 1621 2291 26419 47009 71969 128059 1476731 2087101 3713711 42825199 116661749 3383190721