Search a number
-
+
42131401332 = 2235973815173
BaseRepresentation
bin100111001111001110…
…100010101001110100
311000202012122221110120
4213033032202221310
51142241114320312
631204354051540
73021025000566
oct471716425164
9130665587416
1042131401332
1116960094449
1281b9879bb0
133c85816197
1420796ad336
151168ba328c
hex9cf3a2a74

42131401332 has 48 divisors (see below), whose sum is σ = 101342431680. Its totient is φ = 13616633088.

The previous prime is 42131401331. The next prime is 42131401337. The reversal of 42131401332 is 23310413124.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42131401331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355903 + ... + 459270.

It is an arithmetic number, because the mean of its divisors is an integer number (2111300660).

Almost surely, 242131401332 is an apocalyptic number.

It is an amenable number.

42131401332 is an abundant number, since it is smaller than the sum of its proper divisors (59211030348).

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

42131401332 is a wasteful number, since it uses less digits than its factorization.

42131401332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815312 (or 815310 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 42131401332 its reverse (23310413124), we get a palindrome (65441814456).

The spelling of 42131401332 in words is "forty-two billion, one hundred thirty-one million, four hundred one thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 59 73 118 146 177 219 236 292 354 438 708 876 4307 8614 12921 17228 25842 51684 815173 1630346 2445519 3260692 4891038 9782076 48095207 59507629 96190414 119015258 144285621 178522887 192380828 238030516 288571242 357045774 577142484 714091548 3510950111 7021900222 10532850333 14043800444 21065700666 42131401332