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32123030213 = 291107690697
BaseRepresentation
bin11101111010101011…
…101000101011000101
310001220201011000022202
4131322223220223011
51011241443431323
622431312004245
72215016152211
oct357253505305
9101821130282
1032123030213
111269468205a
126285b30685
13304c1876b1
1417aa3ab941
15c801ded28
hex77aae8ac5

32123030213 has 4 divisors (see below), whose sum is σ = 33230720940. Its totient is φ = 31015339488.

The previous prime is 32123030209. The next prime is 32123030231. The reversal of 32123030213 is 31203032123.

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

It can be written as a sum of positive squares in 2 ways, for example, as 26465433124 + 5657597089 = 162682^2 + 75217^2 .

It is a cyclic number.

It is not a de Polignac number, because 32123030213 - 22 = 32123030209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32123036213) 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, 553845320 + ... + 553845377.

It is an arithmetic number, because the mean of its divisors is an integer number (8307680235).

Almost surely, 232123030213 is an apocalyptic number.

It is an amenable number.

32123030213 is a deficient number, since it is larger than the sum of its proper divisors (1107690727).

32123030213 is a wasteful number, since it uses less digits than its factorization.

32123030213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107690726.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 32123030213 its reverse (31203032123), we get a palindrome (63326062336).

The spelling of 32123030213 in words is "thirty-two billion, one hundred twenty-three million, thirty thousand, two hundred thirteen".

Divisors: 1 29 1107690697 32123030213