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23275020032 = 28119378821
BaseRepresentation
bin10101101011010011…
…001001111100000000
32020002002001112010222
4111223103021330000
5340131401120112
614405320242212
71452530256155
oct255323117400
966062045128
1023275020032
119964162050
124616910368
13226c051c04
1411ab23c22c
15913537372
hex56b4c9f00

23275020032 has 72 divisors (see below), whose sum is σ = 50742520752. Its totient is φ = 10567065600.

The previous prime is 23275020023. The next prime is 23275020047. The reversal of 23275020032 is 23002057232.

It is a junction number, because it is equal to n+sod(n) for n = 23275019983 and 23275020010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2634182 + ... + 2643002.

Almost surely, 223275020032 is an apocalyptic number.

23275020032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23275020032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25371260376).

23275020032 is an abundant number, since it is smaller than the sum of its proper divisors (27467500720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23275020032 is an equidigital number, since it uses as much as digits as its factorization.

23275020032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9785 (or 9771 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 26.

Adding to 23275020032 its reverse (23002057232), we get a palindrome (46277077264).

The spelling of 23275020032 in words is "twenty-three billion, two hundred seventy-five million, twenty thousand, thirty-two".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 128 176 256 352 704 937 1408 1874 2816 3748 7496 8821 10307 14992 17642 20614 29984 35284 41228 59968 70568 82456 97031 119936 141136 164912 194062 239872 282272 329824 388124 564544 659648 776248 1129088 1319296 1552496 2258176 2638592 3104992 6209984 8265277 12419968 16530554 24839936 33061108 66122216 90918047 132244432 181836094 264488864 363672188 528977728 727344376 1057955456 1454688752 2115910912 2909377504 5818755008 11637510016 23275020032