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23945955289 = 283666112703
BaseRepresentation
bin10110010011010010…
…100100011111011001
32021210211112120021221
4112103102210133121
5343020131032124
615000044532041
71505255155504
oct262322443731
967724476257
1023945955289
11a17895a6a3
124783551021
132348055c19
1412323ac13b
159523b7ce4
hex5934a47d9

23945955289 has 8 divisors (see below), whose sum is σ = 24036069632. Its totient is φ = 23855880240.

The previous prime is 23945955287. The next prime is 23945955307. The reversal of 23945955289 is 98255954932.

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 23945955289 - 21 = 23945955287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23945955287) 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, 1878712 + ... + 1891414.

It is an arithmetic number, because the mean of its divisors is an integer number (3004508704).

Almost surely, 223945955289 is an apocalyptic number.

It is an amenable number.

23945955289 is a deficient number, since it is larger than the sum of its proper divisors (90114343).

23945955289 is a wasteful number, since it uses less digits than its factorization.

23945955289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19647.

The product of its digits is 34992000, while the sum is 61.

The spelling of 23945955289 in words is "twenty-three billion, nine hundred forty-five million, nine hundred fifty-five thousand, two hundred eighty-nine".

Divisors: 1 283 6661 12703 1885063 3594949 84614683 23945955289