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32130122021 = 2347915791847
BaseRepresentation
bin11101111011000110…
…101100000100100101
310001221012111022110022
4131323012230010211
51011300302401041
622432124004525
72215133350064
oct357306540445
9101835438408
1032130122021
1112698686258
126288390745
13305079b62a
1417ab2d61db
15c80b4124b
hex77b1ac125

32130122021 has 16 divisors (see below), whose sum is σ = 33636556800. Its totient is φ = 30632981808.

The previous prime is 32130121943. The next prime is 32130122027. The reversal of 32130122021 is 12022103123.

It is a cyclic number.

It is not a de Polignac number, because 32130122021 - 218 = 32129859877 is a prime.

It is a super-3 number, since 3×321301220213 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32130122027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17394920 + ... + 17396766.

It is an arithmetic number, because the mean of its divisors is an integer number (2102284800).

Almost surely, 232130122021 is an apocalyptic number.

It is an amenable number.

32130122021 is a deficient number, since it is larger than the sum of its proper divisors (1506434779).

32130122021 is a wasteful number, since it uses less digits than its factorization.

32130122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3928.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 32130122021 its reverse (12022103123), we get a palindrome (44152225144).

The spelling of 32130122021 in words is "thirty-two billion, one hundred thirty million, one hundred twenty-two thousand, twenty-one".

Divisors: 1 23 479 1579 1847 11017 36317 42481 756341 884713 2916413 17395843 20348399 67077499 1396961827 32130122021