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312021101230044 = 22331782024474561
BaseRepresentation
bin100011011110010000001001…
…0111001101011011111011100
31111220202221000000201020112020
41012330200102321223133130
5311344123203403330134
63023340303130540140
7122502531522134523
oct10674402271533734
91456687000636466
10312021101230044
11904684512a8818
122abb3943597650
1310514604690b2b
145709c8aa794ba
1526115b9025b49
hex11bc812e6b7dc

312021101230044 has 24 divisors (see below), whose sum is σ = 730345921500048. Its totient is φ = 103678935843840.

The previous prime is 312021101230043. The next prime is 312021101230051. The reversal of 312021101230044 is 440032101120213.

It is a super-2 number, since 2×3120211012300442 (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312021101229996 and 312021101230023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312021101230043) 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, 41012233477 + ... + 41012241084.

It is an arithmetic number, because the mean of its divisors is an integer number (30431080062502).

Almost surely, 2312021101230044 is an apocalyptic number.

It is an amenable number.

312021101230044 is an abundant number, since it is smaller than the sum of its proper divisors (418324820270004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312021101230044 is a wasteful number, since it uses less digits than its factorization.

312021101230044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82024474885 (or 82024474883 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 312021101230044 its reverse (440032101120213), we get a palindrome (752053202350257).

The spelling of 312021101230044 in words is "three hundred twelve trillion, twenty-one billion, one hundred one million, two hundred thirty thousand, forty-four".

Divisors: 1 2 3 4 6 12 317 634 951 1268 1902 3804 82024474561 164048949122 246073423683 328097898244 492146847366 984293694732 26001758435837 52003516871674 78005275307511 104007033743348 156010550615022 312021101230044