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32420745213 = 310806915071
BaseRepresentation
bin11110001100011011…
…010100111111111101
310002200110100111112020
4132030123110333331
51012344202321323
622521025030353
72225262534033
oct361433247775
9102613314466
1032420745213
111282773580a
1263497853b9
133098a6540c
1417d7b48553
15c9b3ebae3
hex78c6d4ffd

32420745213 has 4 divisors (see below), whose sum is σ = 43227660288. Its totient is φ = 21613830140.

The previous prime is 32420745211. The next prime is 32420745223. The reversal of 32420745213 is 31254702423.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 32420745213 - 21 = 32420745211 is a prime.

It is a super-2 number, since 2×324207452132 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32420745211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5403457533 + ... + 5403457538.

It is an arithmetic number, because the mean of its divisors is an integer number (10806915072).

Almost surely, 232420745213 is an apocalyptic number.

It is an amenable number.

32420745213 is a deficient number, since it is larger than the sum of its proper divisors (10806915075).

32420745213 is a wasteful number, since it uses less digits than its factorization.

32420745213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10806915074.

The product of its (nonzero) digits is 40320, while the sum is 33.

The spelling of 32420745213 in words is "thirty-two billion, four hundred twenty million, seven hundred forty-five thousand, two hundred thirteen".

Divisors: 1 3 10806915071 32420745213