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23578830916 = 22767772
BaseRepresentation
bin10101111101011010…
…000110100001000100
32020212020201201022221
4111331122012201010
5341242140042131
614455412102124
71463206520164
oct257532064104
966766651287
1023578830916
119aaa6a9723
1246a0604944
1322b9c85474
1411d97245a4
1593004a411
hex57d686844

23578830916 has 9 divisors (see below), whose sum is σ = 41263491549. Its totient is φ = 11789261904.

The previous prime is 23578830911. The next prime is 23578830929. The reversal of 23578830916 is 61903887532.

The square root of 23578830916 is 153554.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3159564100 + 20419266816 = 56210^2 + 142896^2 .

It is a super-2 number, since 2×235788309162 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23578830911) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 268720 + ... + 345496.

Almost surely, 223578830916 is an apocalyptic number.

23578830916 is the 153554-th square number.

It is an amenable number.

23578830916 is a deficient number, since it is larger than the sum of its proper divisors (17684660633).

23578830916 is an frugal number, since it uses more digits than its factorization.

23578830916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153558 (or 76779 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 23578830916 in words is "twenty-three billion, five hundred seventy-eight million, eight hundred thirty thousand, nine hundred sixteen".

Divisors: 1 2 4 76777 153554 307108 5894707729 11789415458 23578830916