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20131103002 = 26171113131157
BaseRepresentation
bin10010101111111010…
…000100000100011010
31220221222012222202111
4102233322010010122
5312212030244002
613125331222534
71311603360253
oct225772040432
956858188674
1020131103002
1185a053470a
123a99a47a4a
131b8a8bb48a
14d8d891b2a
157cc5163d7
hex4afe8411a

20131103002 has 64 divisors (see below), whose sum is σ = 31840604928. Its totient is φ = 9539712000.

The previous prime is 20131102987. The next prime is 20131103021. The reversal of 20131103002 is 20030113102.

It is a super-2 number, since 2×201311030022 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128223508 + ... + 128223664.

It is an arithmetic number, because the mean of its divisors is an integer number (497509452).

Almost surely, 220131103002 is an apocalyptic number.

20131103002 is a deficient number, since it is larger than the sum of its proper divisors (11709501926).

20131103002 is a wasteful number, since it uses less digits than its factorization.

20131103002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20131103002 its reverse (20030113102), we get a palindrome (40161216104).

The spelling of 20131103002 in words is "twenty billion, one hundred thirty-one million, one hundred three thousand, two".

Divisors: 1 2 61 71 113 122 131 142 157 226 262 314 4331 6893 7991 8023 8662 9301 9577 11147 13786 14803 15982 16046 17741 18602 19154 20567 22294 29606 35482 41134 489403 567361 679967 902983 978806 1051013 1082201 1134722 1254587 1259611 1359934 1460257 1805966 2102026 2164402 2324071 2509174 2519222 2920514 4648142 64111793 76836271 89075677 128223586 141768331 153672542 165009041 178151354 283536662 330018082 10065551501 20131103002