Search a number
-
+
420422141545432 = 231322383118060593
BaseRepresentation
bin101111110010111110010100…
…0011001110000101111011000
32001010120222000220112001002121
41133211330220121300233120
5420101144021213423212
64050055133203311024
7154361332410621655
oct13745745031605730
92033528026461077
10420422141545432
11111a61035579904
123b1a076467b474
131507883a4206a0
1475b677c532c2c
15339122864ad07
hex17e5f28670bd8

420422141545432 has 32 divisors (see below), whose sum is σ = 848933164003680. Its totient is φ = 194040110753280.

The previous prime is 420422141545409. The next prime is 420422141545481. The reversal of 420422141545432 is 234545141224024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14248128 + ... + 32308720.

It is an arithmetic number, because the mean of its divisors is an integer number (26529161375115).

Almost surely, 2420422141545432 is an apocalyptic number.

It is an amenable number.

420422141545432 is an abundant number, since it is smaller than the sum of its proper divisors (428511022458248).

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

420422141545432 is a wasteful number, since it uses less digits than its factorization.

420422141545432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18284443 (or 18284439 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 43.

Adding to 420422141545432 its reverse (234545141224024), we get a palindrome (654967282769456).

The spelling of 420422141545432 in words is "four hundred twenty trillion, four hundred twenty-two billion, one hundred forty-one million, five hundred forty-five thousand, four hundred thirty-two".

Divisors: 1 2 4 8 13 26 52 104 223831 447662 895324 1790648 2909803 5819606 11639212 18060593 23278424 36121186 72242372 144484744 234787709 469575418 939150836 1878301672 4042520591783 8085041183566 16170082367132 32340164734264 52552767693179 105105535386358 210211070772716 420422141545432