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20123010201310 = 2517202015859643
BaseRepresentation
bin1001001001101010000001…
…10111111111011011011110
32122020202000011212012001121
410210311000313333123132
510114143411102420220
6110444214441401154
74144560644335252
oct444650067773336
978222004765047
1020123010201310
11645913671aa35
12230bb834991ba
13b2c7900149c3
144d7d5d2a4262
1524d6a4247eaa
hex124d40dff6de

20123010201310 has 32 divisors (see below), whose sum is σ = 38353995100512. Its totient is φ = 7575345177600.

The previous prime is 20123010201277. The next prime is 20123010201319. The reversal of 20123010201310 is 1310201032102.

It is a super-2 number, since 2×201230102013102 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123010201319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 504349 + ... + 6363991.

It is an arithmetic number, because the mean of its divisors is an integer number (1198562346891).

Almost surely, 220123010201310 is an apocalyptic number.

20123010201310 is a deficient number, since it is larger than the sum of its proper divisors (18230984899202).

20123010201310 is a wasteful number, since it uses less digits than its factorization.

20123010201310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5879868.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20123010201310 its reverse (1310201032102), we get a palindrome (21433211233412).

The spelling of 20123010201310 in words is "twenty trillion, one hundred twenty-three billion, ten million, two hundred one thousand, three hundred ten".

Divisors: 1 2 5 10 17 34 85 170 20201 40402 101005 202010 343417 686834 1717085 3434170 5859643 11719286 29298215 58596430 99613931 199227862 498069655 996139310 118370648243 236741296486 591853241215 1183706482430 2012301020131 4024602040262 10061505100655 20123010201310