Search a number
-
+
420214444142444 = 22770185829249437
BaseRepresentation
bin101111110001011101100110…
…0101011000010111101101100
32001002212002221010012202202122
41133202323030223002331230
5420034243140200024234
64045415503423212112
7154340330442051560
oct13742731453027554
92032762833182678
10420214444142444
11111990a43828936
123b16845b147038
131506208a4882b3
1475aa6b80356a0
15338ab1e54e92e
hex17e2eccac2f6c

420214444142444 has 48 divisors (see below), whose sum is σ = 841640968284480. Its totient is φ = 179832181267200.

The previous prime is 420214444142413. The next prime is 420214444142453. The reversal of 420214444142444 is 444241444412024.

It is a junction number, because it is equal to n+sod(n) for n = 420214444142395 and 420214444142404.

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, 1684526894 + ... + 1684776330.

It is an arithmetic number, because the mean of its divisors is an integer number (17534186839260).

Almost surely, 2420214444142444 is an apocalyptic number.

It is an amenable number.

420214444142444 is an abundant number, since it is smaller than the sum of its proper divisors (421426524142036).

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

420214444142444 is a wasteful number, since it uses less digits than its factorization.

420214444142444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335978 (or 335976 counting only the distinct ones).

The product of its (nonzero) digits is 2097152, while the sum is 44.

Adding to 420214444142444 its reverse (444241444412024), we get a palindrome (864455888554468).

The spelling of 420214444142444 in words is "four hundred twenty trillion, two hundred fourteen billion, four hundred forty-four million, one hundred forty-two thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 701 1402 2804 4907 9814 19628 85829 171658 249437 343316 498874 600803 997748 1201606 1746059 2403212 3492118 6984236 60166129 120332258 174855337 240664516 349710674 421162903 699421348 842325806 1223987359 1684651612 2447974718 4895949436 21408928273 42817856546 85635713092 149862497911 299724995822 599449991644 15007658719373 30015317438746 60030634877492 105053611035611 210107222071222 420214444142444