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32121213011 = 1031606119417
BaseRepresentation
bin11101111010100100…
…101101000001010011
310001220120201200120222
4131322210231001103
51011241012304021
622431205023255
72214664543226
oct357244550123
9101816650528
1032121213011
1112693650838
1262853b4b2b
13304b99c524
1417aa0575bd
15c7ee816ab
hex77a92d053

32121213011 has 8 divisors (see below), whose sum is σ = 32436759264. Its totient is φ = 31805737920.

The previous prime is 32121212993. The next prime is 32121213013. The reversal of 32121213011 is 11031212123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 32121213011 - 210 = 32121211987 is a prime.

It is a super-2 number, since 2×321212130112 (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 (32121213013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1644575 + ... + 1663991.

It is an arithmetic number, because the mean of its divisors is an integer number (4054594908).

Almost surely, 232121213011 is an apocalyptic number.

32121213011 is a deficient number, since it is larger than the sum of its proper divisors (315546253).

32121213011 is a wasteful number, since it uses less digits than its factorization.

32121213011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35581.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 32121213011 its reverse (11031212123), we get a palindrome (43152425134).

The spelling of 32121213011 in words is "thirty-two billion, one hundred twenty-one million, two hundred thirteen thousand, eleven".

Divisors: 1 103 16061 19417 1654283 1999951 311856437 32121213011