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20010100200013 = 721189417129103
BaseRepresentation
bin1001000110010111101101…
…11010100001001001001101
32121211221120021202211100201
410203023312322201021031
510110321141122400023
6110320302500253501
74133452636221100
oct443136672411115
977757507684321
1020010100200013
11641526599a880
1222b21120a1291
13b21c37984a51
144d26cb824737
1524a796937bad
hex1232f6ea124d

20010100200013 has 24 divisors (see below), whose sum is σ = 25678467642240. Its totient is φ = 15417091609920.

The previous prime is 20010100199989. The next prime is 20010100200023. The reversal of 20010100200013 is 31000200101002.

It is not a de Polignac number, because 20010100200013 - 229 = 20009563329101 is a prime.

It is a super-2 number, since 2×200101002000132 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010100200023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 208516581 + ... + 208612522.

It is an arithmetic number, because the mean of its divisors is an integer number (1069936151760).

Almost surely, 220010100200013 is an apocalyptic number.

It is an amenable number.

20010100200013 is a deficient number, since it is larger than the sum of its proper divisors (5668367442227).

20010100200013 is a wasteful number, since it uses less digits than its factorization.

20010100200013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417129217 (or 417129210 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 20010100200013 its reverse (31000200101002), we get a palindrome (51010300301015).

The spelling of 20010100200013 in words is "twenty trillion, ten billion, one hundred million, two hundred thousand, thirteen".

Divisors: 1 7 11 49 77 89 539 623 979 4361 6853 47971 417129103 2919903721 4588420133 20439326047 32118940931 37124490167 224832586517 259871431169 408369391837 1819100018183 2858585742859 20010100200013