Search a number
-
+
420104145541042 = 21051199859250971
BaseRepresentation
bin101111110000101010001111…
…0010111010001011110110010
32001002110120020012221021021101
41133201110132113101132302
5420030441242224303132
64045253102525315014
7154326344233315234
oct13741243627213662
92032416205837241
10420104145541042
1111194919307a106
123b14abb8405a6a
1315054860160091
1475a5213324254
153387d161227e7
hex17e151e5d17b2

420104145541042 has 8 divisors (see below), whose sum is σ = 630755796067632. Its totient is φ = 209852213518500.

The previous prime is 420104145541009. The next prime is 420104145541117. The reversal of 420104145541042 is 240145541401024.

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

It is a super-3 number, since 3×4201041455410423 (a number of 45 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 420104145540992 and 420104145541010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99929623384 + ... + 99929627587.

It is an arithmetic number, because the mean of its divisors is an integer number (78844474508454).

Almost surely, 2420104145541042 is an apocalyptic number.

420104145541042 is a deficient number, since it is larger than the sum of its proper divisors (210651650526590).

420104145541042 is a wasteful number, since it uses less digits than its factorization.

420104145541042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199859252024.

The product of its (nonzero) digits is 102400, while the sum is 37.

Adding to 420104145541042 its reverse (240145541401024), we get a palindrome (660249686942066).

The spelling of 420104145541042 in words is "four hundred twenty trillion, one hundred four billion, one hundred forty-five million, five hundred forty-one thousand, forty-two".

Divisors: 1 2 1051 2102 199859250971 399718501942 210052072770521 420104145541042