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23047321409 = 729211353731
BaseRepresentation
bin10101011101101110…
…100011011101000001
32012111012121020100122
4111131232203131001
5334200103241114
614330544030025
71444063666610
oct253556433501
965435536318
1023047321409
119857680772
124572602315
132233b1a2b8
141188cc9877
158ed55ae8e
hex55dba3741

23047321409 has 16 divisors (see below), whose sum is σ = 27261467520. Its totient is φ = 19064263680.

The previous prime is 23047321361. The next prime is 23047321433. The reversal of 23047321409 is 90412374032.

It is not a de Polignac number, because 23047321409 - 232 = 18752354113 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23047311409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402074 + ... + 455804.

It is an arithmetic number, because the mean of its divisors is an integer number (1703841720).

Almost surely, 223047321409 is an apocalyptic number.

23047321409 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

23047321409 is a deficient number, since it is larger than the sum of its proper divisors (4214146111).

23047321409 is a wasteful number, since it uses less digits than its factorization.

23047321409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55880.

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 23047321409 in words is "twenty-three billion, forty-seven million, three hundred twenty-one thousand, four hundred nine".

Divisors: 1 7 29 203 2113 14791 53731 61277 376117 428939 1558199 10907393 113533603 794735221 3292474487 23047321409