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405230100275 = 527111316193011
BaseRepresentation
bin1011110010110011001…
…10001001111100110011
31102201222011220222210102
411321121212021330303
523114402401202100
6510054331223015
741163660006530
oct5713146117463
91381864828712
10405230100275
11146947911120
12666528a7a6b
132c2a0062a30
1415882a3dd87
15a81ab52cd5
hex5e59989f33

405230100275 has 48 divisors (see below), whose sum is σ = 674665651968. Its totient is φ = 233179344000.

The previous prime is 405230100259. The next prime is 405230100277. The reversal of 405230100275 is 572001032504.

It is a happy number.

It is not a de Polignac number, because 405230100275 - 24 = 405230100259 is a prime.

It is a super-2 number, since 2×4052301002752 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (405230100277) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8071481 + ... + 8121530.

It is an arithmetic number, because the mean of its divisors is an integer number (14055534416).

Almost surely, 2405230100275 is an apocalyptic number.

405230100275 is a deficient number, since it is larger than the sum of its proper divisors (269435551693).

405230100275 is a wasteful number, since it uses less digits than its factorization.

405230100275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16193052 (or 16193047 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

Adding to 405230100275 its reverse (572001032504), we get a palindrome (977231132779).

It can be divided in two parts, 405230 and 100275, that added together give a palindrome (505505).

The spelling of 405230100275 in words is "four hundred five billion, two hundred thirty million, one hundred thousand, two hundred seventy-five".

Divisors: 1 5 7 11 13 25 35 55 65 77 91 143 175 275 325 385 455 715 1001 1925 2275 3575 5005 25025 16193011 80965055 113351077 178123121 210509143 404825275 566755385 890615605 1052545715 1246861847 1473564001 2315600573 2833776925 4453078025 5262728575 6234309235 7367820005 11578002865 16209204011 31171546175 36839100025 57890014325 81046020055 405230100275