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13123210020310 = 2513167604477661
BaseRepresentation
bin1011111011110111110001…
…0001011000010111010110
31201110120022001220001211001
42332331330101120113112
53210002313231122220
643524415222533514
72523056243446525
oct276757421302726
951416261801731
1013123210020310
1141aa581a31665
12157b44859729a
13742689c0c190
143352498044bc
1517b57136980a
hexbef7c4585d6

13123210020310 has 32 divisors (see below), whose sum is σ = 25591166298432. Its totient is φ = 4816477994880.

The previous prime is 13123210020289. The next prime is 13123210020341. The reversal of 13123210020310 is 1302001232131.

It is a super-2 number, since 2×131232100203102 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302217121 + ... + 302260540.

It is an arithmetic number, because the mean of its divisors is an integer number (799723946826).

Almost surely, 213123210020310 is an apocalyptic number.

13123210020310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13123210020310 is a deficient number, since it is larger than the sum of its proper divisors (12467956278122).

13123210020310 is a wasteful number, since it uses less digits than its factorization.

13123210020310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604477848.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13123210020310 its reverse (1302001232131), we get a palindrome (14425211252441).

The spelling of 13123210020310 in words is "thirteen trillion, one hundred twenty-three billion, two hundred ten million, twenty thousand, three hundred ten".

Divisors: 1 2 5 10 13 26 65 130 167 334 835 1670 2171 4342 10855 21710 604477661 1208955322 3022388305 6044776610 7858209593 15716419186 39291047965 78582095930 100947769387 201895538774 504738846935 1009477693870 1312321002031 2624642004062 6561605010155 13123210020310