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405323211230 = 2572827190227
BaseRepresentation
bin1011110010111110010…
…01010110000111011110
31102202012200010112000022
411321133021112013132
523120100220224410
6510111455032142
741166200310200
oct5713711260736
91382180115008
10405323211230
11146995427823
1266679b0b652
132c2b6433982
141589115a770
15a823de6455
hex5e5f2561de

405323211230 has 24 divisors (see below), whose sum is σ = 848697173928. Its totient is φ = 138967957968.

The previous prime is 405323211197. The next prime is 405323211257. The reversal of 405323211230 is 32112323504.

It is a happy number.

It is a super-2 number, since 2×4053232112302 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 405323211230.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 413594624 + ... + 413595603.

It is an arithmetic number, because the mean of its divisors is an integer number (35362382247).

Almost surely, 2405323211230 is an apocalyptic number.

405323211230 is an abundant number, since it is smaller than the sum of its proper divisors (443373962698).

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

405323211230 is a wasteful number, since it uses less digits than its factorization.

405323211230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827190248 (or 827190241 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 405323211230 its reverse (32112323504), we get a palindrome (437435534734).

The spelling of 405323211230 in words is "four hundred five billion, three hundred twenty-three million, two hundred eleven thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 827190227 1654380454 4135951135 5790331589 8271902270 11580663178 28951657945 40532321123 57903315890 81064642246 202661605615 405323211230