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20100231113413 = 1122334723614243
BaseRepresentation
bin1001001000111111100110…
…01000101010101011000101
32122011120012122222121220111
410210133303020222223011
510113310233131112123
6110425530234433021
74143123315311263
oct444376310525305
978146178877814
1020100231113413
11644a5074a7060
122307686892771
13b2a59c952479
144d6bdbc7d433
1524ccbe52390d
hex1247f322aac5

20100231113413 has 16 divisors (see below), whose sum is σ = 22089330579456. Its totient is φ = 18138571565040.

The previous prime is 20100231113399. The next prime is 20100231113429. The reversal of 20100231113413 is 31431113200102.

It is a cyclic number.

It is not a de Polignac number, because 20100231113413 - 237 = 19962792159941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20100231113453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10955931 + ... + 12658312.

It is an arithmetic number, because the mean of its divisors is an integer number (1380583161216).

Almost surely, 220100231113413 is an apocalyptic number.

It is an amenable number.

20100231113413 is a deficient number, since it is larger than the sum of its proper divisors (1989099466043).

20100231113413 is a wasteful number, since it uses less digits than its factorization.

20100231113413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23614824.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 20100231113413 its reverse (31431113200102), we get a palindrome (51531344313515).

The spelling of 20100231113413 in words is "twenty trillion, one hundred billion, two hundred thirty-one million, one hundred thirteen thousand, four hundred thirteen".

Divisors: 1 11 223 347 2453 3817 77381 851191 23614243 259756673 5265976189 8194142321 57925738079 90135565531 1827293737583 20100231113413