Search a number
-
+
20010424040131 = 721812256220999
BaseRepresentation
bin1001000110011000010100…
…01101110111101011000011
32121211222101212010121111011
410203030022031313223003
510110322322023241011
6110320354545301351
74133463650632300
oct443141215675303
977758355117434
1020010424040131
116415411777738
1222b21a2634857
13b21c89aabb15
144d271c8420a7
1524a7b50a5621
hex12330a377ac3

20010424040131 has 12 divisors (see below), whose sum is σ = 23406036654000. Its totient is φ = 17057030744880.

The previous prime is 20010424040129. The next prime is 20010424040147. The reversal of 20010424040131 is 13104042401002.

It is a happy number.

It is not a de Polignac number, because 20010424040131 - 21 = 20010424040129 is a prime.

It is a super-2 number, since 2×200104240401312 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20010424640131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1128101631 + ... + 1128119368.

It is an arithmetic number, because the mean of its divisors is an integer number (1950503054500).

Almost surely, 220010424040131 is an apocalyptic number.

20010424040131 is a deficient number, since it is larger than the sum of its proper divisors (3395612613869).

20010424040131 is a wasteful number, since it uses less digits than its factorization.

20010424040131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256221194 (or 2256221187 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 20010424040131 its reverse (13104042401002), we get a palindrome (33114466441133).

The spelling of 20010424040131 in words is "twenty trillion, ten billion, four hundred twenty-four million, forty thousand, one hundred thirty-one".

Divisors: 1 7 49 181 1267 8869 2256220999 15793546993 110554828951 408376000819 2858632005733 20010424040131