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20032021113 = 3131051488717
BaseRepresentation
bin10010101010000000…
…000110001001111001
31220201001210002221220
4102222000012021321
5312011144133423
613111431422253
71306261240626
oct225200061171
956631702856
1020032021113
11854a60aa55
123a70824989
131b73209840
14d8065d34d
157c39939e3
hex4aa006279

20032021113 has 16 divisors (see below), whose sum is σ = 28791354816. Its totient is φ = 12315643200.

The previous prime is 20032021067. The next prime is 20032021133. The reversal of 20032021113 is 31112023002.

It is not a de Polignac number, because 20032021113 - 210 = 20032020089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20032021092 and 20032021101.

It is not an unprimeable number, because it can be changed into a prime (20032021133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203370 + ... + 285347.

It is an arithmetic number, because the mean of its divisors is an integer number (1799459676).

Almost surely, 220032021113 is an apocalyptic number.

It is an amenable number.

20032021113 is a deficient number, since it is larger than the sum of its proper divisors (8759333703).

20032021113 is a wasteful number, since it uses less digits than its factorization.

20032021113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489784.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20032021113 its reverse (31112023002), we get a palindrome (51144044115).

The spelling of 20032021113 in words is "twenty billion, thirty-two million, twenty-one thousand, one hundred thirteen".

Divisors: 1 3 13 39 1051 3153 13663 40989 488717 1466151 6353321 19059963 513641567 1540924701 6677340371 20032021113