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20310313320310 = 2513271576506197
BaseRepresentation
bin1001001111000110111010…
…00000101011111101110110
32122220122110122201111012011
410213203131000223331312
510130231010202222220
6111110232405314434
74164241332514426
oct447433500537566
978818418644164
1020310313320310
116520612420552
122340336a05a1a
13b4433c9b2830
1450304ada2486
152534b7b9365a
hex1278dd02bf76

20310313320310 has 32 divisors (see below), whose sum is σ = 39516040835712. Its totient is φ = 7471520300160.

The previous prime is 20310313320301. The next prime is 20310313320313. The reversal of 20310313320310 is 1302331301302.

It is a super-2 number, since 2×203103133203102 (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 (20310313320313) 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, 288217869 + ... + 288288328.

It is an arithmetic number, because the mean of its divisors is an integer number (1234876276116).

Almost surely, 220310313320310 is an apocalyptic number.

20310313320310 is a deficient number, since it is larger than the sum of its proper divisors (19205727515402).

20310313320310 is a wasteful number, since it uses less digits than its factorization.

20310313320310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576506488.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 20310313320310 its reverse (1302331301302), we get a palindrome (21612644621612).

The spelling of 20310313320310 in words is "twenty trillion, three hundred ten billion, three hundred thirteen million, three hundred twenty thousand, three hundred ten".

Divisors: 1 2 5 10 13 26 65 130 271 542 1355 2710 3523 7046 17615 35230 576506197 1153012394 2882530985 5765061970 7494580561 14989161122 37472902805 74945805610 156233179387 312466358774 781165896935 1562331793870 2031031332031 4062062664062 10155156660155 20310313320310