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420403012211131 = 3171547478570069
BaseRepresentation
bin101111110010110101011010…
…0001101001001000110111011
32001010112010122202022011122121
41133211222310031021012323
5420100340332111224011
64050042251055302111
7154360054360150015
oct13745526415110673
92033463582264577
10420403012211131
11111a53a09566914
123b198b0621a937
1315076aac23b471
1475b5885b2d1b5
1533909a9064e71
hex17e5ab43491bb

420403012211131 has 8 divisors (see below), whose sum is σ = 421731979170480. Its totient is φ = 419074062702048.

The previous prime is 420403012211129. The next prime is 420403012211137. The reversal of 420403012211131 is 131112210304024.

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

It is a cyclic number.

It is not a de Polignac number, because 420403012211131 - 21 = 420403012211129 is a prime.

It is a super-2 number, since 2×4204030122111312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 420403012211096 and 420403012211105.

It is not an unprimeable number, because it can be changed into a prime (420403012211137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44769765 + ... + 53339833.

It is an arithmetic number, because the mean of its divisors is an integer number (52716497396310).

Almost surely, 2420403012211131 is an apocalyptic number.

420403012211131 is a deficient number, since it is larger than the sum of its proper divisors (1328966959349).

420403012211131 is a wasteful number, since it uses less digits than its factorization.

420403012211131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8725133.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 420403012211131 its reverse (131112210304024), we get a palindrome (551515222515155).

The spelling of 420403012211131 in words is "four hundred twenty trillion, four hundred three billion, twelve million, two hundred eleven thousand, one hundred thirty-one".

Divisors: 1 317 154747 8570069 49054799 2716711873 1326192467543 420403012211131