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20012303010 = 2357181526501
BaseRepresentation
bin10010101000110100…
…111000001010100010
31220122200200022210210
4102220310320022202
5311441122144020
613105445034550
71305631524510
oct225064701242
956580608723
1020012303010
11853a4724a7
123a660b5a56
131b6c0c481b
14d7bba94b0
157c1d9b3e0
hex4a8d382a2

20012303010 has 64 divisors (see below), whose sum is σ = 55194257664. Its totient is φ = 4548960000.

The previous prime is 20012303009. The next prime is 20012303011. The reversal of 20012303010 is 1030321002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20012303009) and next prime (20012303011).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20012303011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225241 + ... + 301260.

It is an arithmetic number, because the mean of its divisors is an integer number (862410276).

Almost surely, 220012303010 is an apocalyptic number.

20012303010 is an abundant number, since it is smaller than the sum of its proper divisors (35181954654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20012303010 is a wasteful number, since it uses less digits than its factorization.

20012303010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526699.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20012303010 its reverse (1030321002), we get a palindrome (21042624012).

The spelling of 20012303010 in words is "twenty billion, twelve million, three hundred three thousand, ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 181 210 362 543 905 1086 1267 1810 2534 2715 3801 5430 6335 7602 12670 19005 38010 526501 1053002 1579503 2632505 3159006 3685507 5265010 7371014 7897515 11056521 15795030 18427535 22113042 36855070 55282605 95296681 110565210 190593362 285890043 476483405 571780086 667076767 952966810 1334153534 1429450215 2001230301 2858900430 3335383835 4002460602 6670767670 10006151505 20012303010