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309922789629 = 3472198033969
BaseRepresentation
bin1001000001010001101…
…01100111100011111101
31002121222001101222011010
410200220311213203331
520034210213232004
6354213200545433
731251114150225
oct4405065474375
91077861358133
10309922789629
1110a48a375a92
1250094622279
13232c182466b
1411000d27085
1580dd8b9a89
hex4828d678fd

309922789629 has 8 divisors (see below), whose sum is σ = 422022522240. Its totient is φ = 202219125056.

The previous prime is 309922789619. The next prime is 309922789643. The reversal of 309922789629 is 926987229903.

309922789629 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 309922789629 - 25 = 309922789597 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 309922789629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (309922789619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1099016844 + ... + 1099017125.

It is an arithmetic number, because the mean of its divisors is an integer number (52752815280).

Almost surely, 2309922789629 is an apocalyptic number.

It is an amenable number.

309922789629 is a deficient number, since it is larger than the sum of its proper divisors (112099732611).

309922789629 is a wasteful number, since it uses less digits than its factorization.

309922789629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2198034019.

The product of its (nonzero) digits is 52907904, while the sum is 66.

The spelling of 309922789629 in words is "three hundred nine billion, nine hundred twenty-two million, seven hundred eighty-nine thousand, six hundred twenty-nine".

Divisors: 1 3 47 141 2198033969 6594101907 103307596543 309922789629