Search a number
-
+
420210344421102 = 232232047491533871
BaseRepresentation
bin101111110001011011101100…
…0010011110110011011101110
32001002211201100101212100100110
41133202313120103312123232
5420034211241132433402
64045413544532040450
7154340124031023324
oct13742673023663356
92032751311770313
10420210344421102
1111198a22a623584
123b1676b6163126
1315061885cbcb91
1475aa409763d14
15338a97e67c56c
hex17e2dd84f66ee

420210344421102 has 32 divisors (see below), whose sum is σ = 844194064896000. Its totient is φ = 139441225753440.

The previous prime is 420210344421083. The next prime is 420210344421103. The reversal of 420210344421102 is 201124443012024.

It is a self number, because there is not a number n which added to its sum of digits gives 420210344421102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420210344421103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273187227 + ... + 274721097.

It is an arithmetic number, because the mean of its divisors is an integer number (26381064528000).

Almost surely, 2420210344421102 is an apocalyptic number.

420210344421102 is an abundant number, since it is smaller than the sum of its proper divisors (423983720474898).

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

420210344421102 is a wasteful number, since it uses less digits than its factorization.

420210344421102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738848.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 420210344421102 its reverse (201124443012024), we get a palindrome (621334787433126).

The spelling of 420210344421102 in words is "four hundred twenty trillion, two hundred ten billion, three hundred forty-four million, four hundred twenty-one thousand, one hundred two".

Divisors: 1 2 3 6 223 446 669 1338 204749 409498 614247 1228494 1533871 3067742 4601613 9203226 45659027 91318054 136977081 273954162 342053233 684106466 1026159699 2052319398 314058553379 628117106758 942175660137 1884351320274 70035057403517 140070114807034 210105172210551 420210344421102