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20100201010 = 256121328381
BaseRepresentation
bin10010101110000100…
…001011101000110010
31220212211002000012021
4102232010023220302
5312131122413020
613122305022054
71311046614061
oct225604135062
956784060167
1020100201010
11858504857a
123a8b62492a
131b8438ba86
14d8972a1d8
157c99601aa
hex4ae10ba32

20100201010 has 16 divisors (see below), whose sum is σ = 36186382872. Its totient is φ = 8038742400.

The previous prime is 20100201001. The next prime is 20100201029. The reversal of 20100201010 is 1010200102.

It can be written as a sum of positive squares in 4 ways, for example, as 17135071801 + 2965129209 = 130901^2 + 54453^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20100200984 and 20100201002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102981 + ... + 225400.

Almost surely, 220100201010 is an apocalyptic number.

20100201010 is a deficient number, since it is larger than the sum of its proper divisors (16086181862).

20100201010 is a wasteful number, since it uses less digits than its factorization.

20100201010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334509.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 20100201010 its reverse (1010200102), we get a palindrome (21110401112).

The spelling of 20100201010 in words is "twenty billion, one hundred million, two hundred one thousand, ten".

Divisors: 1 2 5 10 6121 12242 30605 61210 328381 656762 1641905 3283810 2010020101 4020040202 10050100505 20100201010