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32002103213 = 201715866189
BaseRepresentation
bin11101110011011110…
…010101011110101101
310001121021121021122222
4131303132111132231
51011020014300323
622411312045125
72212020250313
oct356336253655
9101537537588
1032002103213
1112632397893
1262515337a5
1330300c7862
1417982d00b3
15c747a49c8
hex7737957ad

32002103213 has 4 divisors (see below), whose sum is σ = 32017971420. Its totient is φ = 31986235008.

The previous prime is 32002103191. The next prime is 32002103227. The reversal of 32002103213 is 31230120023.

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 19021374724 + 12980728489 = 137918^2 + 113933^2 .

It is a cyclic number.

It is not a de Polignac number, because 32002103213 - 26 = 32002103149 is a prime.

It is a super-2 number, since 2×320021032132 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32002103191 and 32002103200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32002103513) 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, 7931078 + ... + 7935111.

It is an arithmetic number, because the mean of its divisors is an integer number (8004492855).

Almost surely, 232002103213 is an apocalyptic number.

It is an amenable number.

32002103213 is a deficient number, since it is larger than the sum of its proper divisors (15868207).

32002103213 is a wasteful number, since it uses less digits than its factorization.

32002103213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15868206.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 32002103213 its reverse (31230120023), we get a palindrome (63232223236).

The spelling of 32002103213 in words is "thirty-two billion, two million, one hundred three thousand, two hundred thirteen".

Divisors: 1 2017 15866189 32002103213