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405112141032 = 233477310745979
BaseRepresentation
bin1011110010100101001…
…00001011010011101000
31102201122221222001010120
411321102210023103220
523114132202003112
6510034515043240
741161025245164
oct5712244132350
91381587861116
10405112141032
11146897273645
126661b2a0520
132c2817a1971
14158710d5ca4
15a810601e8c
hex5e5290b4e8

405112141032 has 128 divisors (see below), whose sum is σ = 1058319820800. Its totient is φ = 129132707328.

The previous prime is 405112141003. The next prime is 405112141039. The reversal of 405112141032 is 230141211504.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 405112140993 and 405112141011.

It is not an unprimeable number, because it can be changed into a prime (405112141039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8787819 + ... + 8833797.

It is an arithmetic number, because the mean of its divisors is an integer number (8268123600).

Almost surely, 2405112141032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 405112141032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (529159910400).

405112141032 is an abundant number, since it is smaller than the sum of its proper divisors (653207679768).

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

405112141032 is a wasteful number, since it uses less digits than its factorization.

405112141032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46215 (or 46211 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 405112141032 its reverse (230141211504), we get a palindrome (635253352536).

The spelling of 405112141032 in words is "four hundred five billion, one hundred twelve million, one hundred forty-one thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 24 47 73 94 107 141 146 188 214 219 282 292 321 376 428 438 564 584 642 856 876 1128 1284 1752 2568 3431 5029 6862 7811 10058 10293 13724 15087 15622 20116 20586 23433 27448 30174 31244 40232 41172 45979 46866 60348 62488 82344 91958 93732 120696 137937 183916 187464 275874 367117 367832 551748 734234 1101351 1103496 1468468 2161013 2202702 2936936 3356467 4322026 4405404 4919753 6483039 6712934 8644052 8810808 9839506 10069401 12966078 13425868 14759259 17288104 19679012 20138802 25932156 26851736 29518518 39358024 40277604 51864312 59037036 80555208 118074072 157753949 231228391 315507898 359141969 462456782 473261847 631015796 693685173 718283938 924913564 946523694 1077425907 1262031592 1387370346 1436567876 1849827128 1893047388 2154851814 2774740692 2873135752 3786094776 4309703628 5549481384 8619407256 16879672543 33759345086 50639017629 67518690172 101278035258 135037380344 202556070516 405112141032