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1309929093 = 321137357611
BaseRepresentation
bin100111000010011…
…1110111010000101
310101021212021220100
41032010332322011
510140320212333
6333552154313
744314133154
oct11604767205
93337767810
101309929093
1161246a130
12306838999
1317b503495
14c5d8759b
157a002213
hex4e13ee85

1309929093 has 24 divisors (see below), whose sum is σ = 2119923936. Its totient is φ = 772437600.

The previous prime is 1309929083. The next prime is 1309929107. The reversal of 1309929093 is 3909299031.

1309929093 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1309929093 - 210 = 1309928069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1309929053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 175143 + ... + 182468.

It is an arithmetic number, because the mean of its divisors is an integer number (88330164).

Almost surely, 21309929093 is an apocalyptic number.

It is an amenable number.

1309929093 is a deficient number, since it is larger than the sum of its proper divisors (809994843).

1309929093 is a wasteful number, since it uses less digits than its factorization.

1309929093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357665 (or 357662 counting only the distinct ones).

The product of its (nonzero) digits is 118098, while the sum is 45.

The square root of 1309929093 is about 36192.9425855373. The cubic root of 1309929093 is about 1094.1644391962.

The spelling of 1309929093 in words is "one billion, three hundred nine million, nine hundred twenty-nine thousand, ninety-three".

Divisors: 1 3 9 11 33 37 99 111 333 407 1221 3663 357611 1072833 3218499 3933721 11801163 13231607 35403489 39694821 119084463 145547677 436643031 1309929093