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42132031405412 = 22131997405724273
BaseRepresentation
bin10011001010001101000001…
…10000111111110101100100
312112011210010201011012020212
421211012200300333311210
521010242400014433122
6225335104340314552
711605640005011644
oct1145064060776544
9175153121135225
1042132031405412
1112474104391a33
1248855780a2a58
131a680588255a0
14a592b6146524
154d0e3e075ce2
hex2651a0c3fd64

42132031405412 has 24 divisors (see below), whose sum is σ = 79442435746296. Its totient is φ = 19435815525888.

The previous prime is 42132031405397. The next prime is 42132031405417. The reversal of 42132031405412 is 21450413023124.

It can be written as a sum of positive squares in 4 ways, for example, as 6852541765696 + 35279489639716 = 2617736^2 + 5939654^2 .

It is not an unprimeable number, because it can be changed into a prime (42132031405417) 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, 202758293 + ... + 202965980.

It is an arithmetic number, because the mean of its divisors is an integer number (3310101489429).

Almost surely, 242132031405412 is an apocalyptic number.

It is an amenable number.

42132031405412 is a deficient number, since it is larger than the sum of its proper divisors (37310404340884).

42132031405412 is a wasteful number, since it uses less digits than its factorization.

42132031405412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405726287 (or 405726285 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 42132031405412 its reverse (21450413023124), we get a palindrome (63582444428536).

The spelling of 42132031405412 in words is "forty-two trillion, one hundred thirty-two billion, thirty-one million, four hundred five thousand, four hundred twelve".

Divisors: 1 2 4 13 26 52 1997 3994 7988 25961 51922 103844 405724273 811448546 1622897092 5274415549 10548831098 21097662196 810231373181 1620462746362 3240925492724 10533007851353 21066015702706 42132031405412