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32001020023 = 74571574289
BaseRepresentation
bin11101110011011010…
…001101000001110111
310001121012120020210211
4131303122031001313
51011014230120043
622411232530251
72212005116320
oct356332150167
9101535506724
1032001020023
1112631817a95
1262510b0987
13302cb0880b
1417980cb447
15c7463da9d
hex77368d077

32001020023 has 4 divisors (see below), whose sum is σ = 36572594320. Its totient is φ = 27429445728.

The previous prime is 32001019987. The next prime is 32001020027. The reversal of 32001020023 is 32002010023.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 32001020023 - 217 = 32000888951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32001019985 and 32001020012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32001020027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2285787138 + ... + 2285787151.

It is an arithmetic number, because the mean of its divisors is an integer number (9143148580).

Almost surely, 232001020023 is an apocalyptic number.

32001020023 is a deficient number, since it is larger than the sum of its proper divisors (4571574297).

32001020023 is an equidigital number, since it uses as much as digits as its factorization.

32001020023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4571574296.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 32001020023 its reverse (32002010023), we get a palindrome (64003030046).

The spelling of 32001020023 in words is "thirty-two billion, one million, twenty thousand, twenty-three".

Divisors: 1 7 4571574289 32001020023