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20010213003 = 311231131811289
BaseRepresentation
bin10010101000101100…
…111001111010001011
31220122112202010212010
4102220230321322023
5311440103304003
613105332151003
71305605001264
oct225054717213
956575663763
1020010213003
118539275220
123a65468463
131b6b842431
14d7b7c396b
157c1ad7003
hex4a8b39e8b

20010213003 has 64 divisors (see below), whose sum is σ = 30833187840. Its totient is φ = 11425075200.

The previous prime is 20010212993. The next prime is 20010213037. The reversal of 20010213003 is 30031201002.

It is a happy number.

It is not a de Polignac number, because 20010213003 - 26 = 20010212939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20010213003.

It is not an unprimeable number, because it can be changed into a prime (20010213073) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15523183 + ... + 15524471.

It is an arithmetic number, because the mean of its divisors is an integer number (481768560).

Almost surely, 220010213003 is an apocalyptic number.

20010213003 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20010213003 is a deficient number, since it is larger than the sum of its proper divisors (10822974837).

20010213003 is a wasteful number, since it uses less digits than its factorization.

20010213003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620.

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

Adding to 20010213003 its reverse (30031201002), we get a palindrome (50041414005).

The spelling of 20010213003 in words is "twenty billion, ten million, two hundred thirteen thousand, three".

Divisors: 1 3 11 23 33 69 113 181 253 339 543 759 1243 1289 1991 2599 3729 3867 4163 5973 7797 12489 14179 20453 28589 29647 42537 45793 61359 85767 88941 137379 145657 224983 233309 326117 436971 470419 674949 699927 978351 1411257 1602227 2566399 3350111 4806681 5174609 5366107 7699197 10050333 15523827 16098321 26363917 36851221 59027177 79091751 110553663 177081531 290003087 606370091 870009261 1819110273 6670071001 20010213003