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89309670831 = 3234728597397
BaseRepresentation
bin101001100101101000…
…1010110110110101111
322112112010220100112100
41103023101112312233
52430401233431311
6105010040110143
76311114451033
oct1231321266657
9275463810470
1089309670831
113496aa87617
1215385765353
138563aba994
1444733601c3
1524ca969a56
hex14cb456daf

89309670831 has 12 divisors (see below), whose sum is σ = 129374628552. Its totient is φ = 59368194096.

The previous prime is 89309670823. The next prime is 89309670871. The reversal of 89309670831 is 13807690398.

It is not a de Polignac number, because 89309670831 - 23 = 89309670823 is a prime.

It is a super-2 number, since 2×893096708312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89309670811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14295576 + ... + 14301821.

It is an arithmetic number, because the mean of its divisors is an integer number (10781219046).

Almost surely, 289309670831 is an apocalyptic number.

89309670831 is a deficient number, since it is larger than the sum of its proper divisors (40064957721).

89309670831 is a wasteful number, since it uses less digits than its factorization.

89309670831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28597750 (or 28597747 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 89309670831 in words is "eighty-nine billion, three hundred nine million, six hundred seventy thousand, eight hundred thirty-one".

Divisors: 1 3 9 347 1041 3123 28597397 85792191 257376573 9923296759 29769890277 89309670831