Search a number
-
+
420415133425342 = 21150937543769729
BaseRepresentation
bin101111110010111011000011…
…0101011111001111010111110
32001010120021221111111122122021
41133211312012223321322332
5420101040143124102332
64050052013535110354
7154360663632602656
oct13745660653717276
92033507844448567
10420415133425342
11111a59069689520
123b19b3296723ba
1315077c91533773
1475b62b58a1366
153390e6827ac97
hex17e5d86af9ebe

420415133425342 has 16 divisors (see below), whose sum is σ = 689303612242800. Its totient is φ = 190722350218240.

The previous prime is 420415133425337. The next prime is 420415133425367. The reversal of 420415133425342 is 243524331514024.

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, 18771873667 + ... + 18771896062.

It is an arithmetic number, because the mean of its divisors is an integer number (43081475765175).

Almost surely, 2420415133425342 is an apocalyptic number.

420415133425342 is a deficient number, since it is larger than the sum of its proper divisors (268888478817458).

420415133425342 is a wasteful number, since it uses less digits than its factorization.

420415133425342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37543770251.

The product of its (nonzero) digits is 1382400, while the sum is 43.

Adding to 420415133425342 its reverse (243524331514024), we get a palindrome (663939464939366).

The spelling of 420415133425342 in words is "four hundred twenty trillion, four hundred fifteen billion, one hundred thirty-three million, four hundred twenty-five thousand, three hundred forty-two".

Divisors: 1 2 11 22 509 1018 5599 11198 37543769729 75087539458 412981467019 825962934038 19109778792061 38219557584122 210207566712671 420415133425342