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20030213030121 = 327706944976643
BaseRepresentation
bin1001000110111101001011…
…01110111000000011101001
32121220212110222121110102100
410203132211232320003221
510111133334013430441
6110333430340124013
74135064231364540
oct443364556700351
977825428543370
1020030213030121
116422847083818
1222b5ba5996609
13b23ac1845c58
144d3678abb157
1524b07253ecb6
hex1237a5bb80e9

20030213030121 has 24 divisors (see below), whose sum is σ = 33070426800320. Its totient is φ = 11444216603616.

The previous prime is 20030213030101. The next prime is 20030213030161. The reversal of 20030213030121 is 12103031203002.

20030213030121 is a `hidden beast` number, since 200 + 30 + 2 + 130 + 301 + 2 + 1 = 666.

It is not a de Polignac number, because 20030213030121 - 25 = 20030213030089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20030213030094 and 20030213030103.

It is not an unprimeable number, because it can be changed into a prime (20030213030101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22042975 + ... + 22933668.

Almost surely, 220030213030121 is an apocalyptic number.

20030213030121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20030213030121 is a deficient number, since it is larger than the sum of its proper divisors (13040213770199).

20030213030121 is a wasteful number, since it uses less digits than its factorization.

20030213030121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44983725 (or 44983722 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20030213030121 its reverse (12103031203002), we get a palindrome (32133244233123).

The spelling of 20030213030121 in words is "twenty trillion, thirty billion, two hundred thirteen million, thirty thousand, one hundred twenty-one".

Divisors: 1 3 7 9 21 63 7069 21207 49483 63621 148449 445347 44976643 134929929 314836501 404789787 944509503 2833528509 317939889367 953819668101 2225579225569 2861459004303 6676737676707 20030213030121