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32230120121 = 159469202109
BaseRepresentation
bin11110000001000100…
…001001101010111001
310002012011122202001122
4132001010021222321
51012001402320441
622450055155025
72220456333533
oct360104115271
9102164582048
1032230120121
111273a076311
1262b5975a75
1330684112c4
1417ba6c6853
15c897e534b
hex781109ab9

32230120121 has 4 divisors (see below), whose sum is σ = 32230481700. Its totient is φ = 32229758544.

The previous prime is 32230120007. The next prime is 32230120127. The reversal of 32230120121 is 12102103223.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 16620366400 + 15609753721 = 128920^2 + 124939^2 .

It is a cyclic number.

It is not a de Polignac number, because 32230120121 - 222 = 32225925817 is a prime.

It is a super-5 number, since 5×322301201215 (a number of 54 digits) contains 55555 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32230120121.

It is not an unprimeable number, because it can be changed into a prime (32230120127) 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, 58415 + ... + 260523.

It is an arithmetic number, because the mean of its divisors is an integer number (8057620425).

Almost surely, 232230120121 is an apocalyptic number.

It is an amenable number.

32230120121 is a deficient number, since it is larger than the sum of its proper divisors (361579).

32230120121 is a wasteful number, since it uses less digits than its factorization.

32230120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361578.

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

Adding to 32230120121 its reverse (12102103223), we get a palindrome (44332223344).

The spelling of 32230120121 in words is "thirty-two billion, two hundred thirty million, one hundred twenty thousand, one hundred twenty-one".

Divisors: 1 159469 202109 32230120121