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32120213011 = 101318021911
BaseRepresentation
bin11101111010100000…
…111000111000010011
310001220111211212211221
4131322200320320103
51011240233304021
622431131345511
72214653206615
oct357240707023
9101814755757
1032120213011
1112693028497
126284bb2297
13304b70c303
1417a9c76db5
15c7ed35241
hex77a838e13

32120213011 has 4 divisors (see below), whose sum is σ = 32438235024. Its totient is φ = 31802191000.

The previous prime is 32120212997. The next prime is 32120213029. The reversal of 32120213011 is 11031202123.

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 32120213011 - 29 = 32120212499 is a prime.

It is a super-2 number, since 2×321202130112 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32120213311) 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, 159010855 + ... + 159011056.

It is an arithmetic number, because the mean of its divisors is an integer number (8109558756).

Almost surely, 232120213011 is an apocalyptic number.

32120213011 is a deficient number, since it is larger than the sum of its proper divisors (318022013).

32120213011 is a wasteful number, since it uses less digits than its factorization.

32120213011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318022012.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 32120213011 its reverse (11031202123), we get a palindrome (43151415134).

The spelling of 32120213011 in words is "thirty-two billion, one hundred twenty million, two hundred thirteen thousand, eleven".

Divisors: 1 101 318021911 32120213011