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42031103412 = 22347711049623
BaseRepresentation
bin100111001001001111…
…111011110110110100
311000111012221021120210
4213021033323312310
51142034430302122
631150412225420
73015366325044
oct471117736664
9130435837523
1042031103412
111690950a101
12819016b270
133c6aac9bbc
14206a241724
15115ee9040c
hex9c93fbdb4

42031103412 has 48 divisors (see below), whose sum is σ = 101570015232. Its totient is φ = 13519131360.

The previous prime is 42031103381. The next prime is 42031103431. The reversal of 42031103412 is 21430113024.

It is a super-2 number, since 2×420311034122 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 484768 + ... + 564855.

It is an arithmetic number, because the mean of its divisors is an integer number (2116041984).

Almost surely, 242031103412 is an apocalyptic number.

It is an amenable number.

42031103412 is an abundant number, since it is smaller than the sum of its proper divisors (59538911820).

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

42031103412 is a wasteful number, since it uses less digits than its factorization.

42031103412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049748 (or 1049746 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 42031103412 its reverse (21430113024), we get a palindrome (63461216436).

The spelling of 42031103412 in words is "forty-two billion, thirty-one million, one hundred three thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 47 71 94 141 142 188 213 282 284 426 564 852 3337 6674 10011 13348 20022 40044 1049623 2099246 3148869 4198492 6297738 12595476 49332281 74523233 98664562 147996843 149046466 197329124 223569699 295993686 298092932 447139398 591987372 894278796 3502591951 7005183902 10507775853 14010367804 21015551706 42031103412