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42544202215 = 58732397441
BaseRepresentation
bin100111100111110101…
…010000000111100111
311001210222102101211011
4213213311100013213
51144112303432330
631313341523051
73034166515654
oct474765200747
9131728371734
1042544202215
11170521028a9
1282b3b73487
1340201ba168
1420b8446c2b
15119004482a
hex9e7d501e7

42544202215 has 8 divisors (see below), whose sum is σ = 51054151248. Its totient is φ = 34034622720.

The previous prime is 42544202213. The next prime is 42544202219. The reversal of 42544202215 is 51220244524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42544202215 - 21 = 42544202213 is a prime.

It is a super-3 number, since 3×425442022153 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42544202213) 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, 387895 + ... + 485335.

It is an arithmetic number, because the mean of its divisors is an integer number (6381768906).

Almost surely, 242544202215 is an apocalyptic number.

42544202215 is a deficient number, since it is larger than the sum of its proper divisors (8509949033).

42544202215 is an equidigital number, since it uses as much as digits as its factorization.

42544202215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184769.

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 42544202215 its reverse (51220244524), we get a palindrome (93764446739).

The spelling of 42544202215 in words is "forty-two billion, five hundred forty-four million, two hundred two thousand, two hundred fifteen".

Divisors: 1 5 87323 97441 436615 487205 8508840443 42544202215