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20331211002310 = 2513156393930787
BaseRepresentation
bin1001001111101101110101…
…00111000001000111000110
32122222122102001101201122101
410213312322213001013012
510131101310004033220
6111124010203222314
74165611235054135
oct447667247010706
978878361351571
1020331211002310
11652946663931a
1223443a951799a
13b462c0351a40
1450407059d91c
15253cdc62e30a
hex127dba9c11c6

20331211002310 has 16 divisors (see below), whose sum is σ = 39411270558576. Its totient is φ = 7506908677728.

The previous prime is 20331211002299. The next prime is 20331211002331. The reversal of 20331211002310 is 1320011213302.

It is a super-2 number, since 2×203312110023102 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78196965264 + ... + 78196965523.

It is an arithmetic number, because the mean of its divisors is an integer number (2463204409911).

Almost surely, 220331211002310 is an apocalyptic number.

20331211002310 is a deficient number, since it is larger than the sum of its proper divisors (19080059556266).

20331211002310 is a wasteful number, since it uses less digits than its factorization.

20331211002310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156393930807.

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

Adding to 20331211002310 its reverse (1320011213302), we get a palindrome (21651222215612).

The spelling of 20331211002310 in words is "twenty trillion, three hundred thirty-one billion, two hundred eleven million, two thousand, three hundred ten".

Divisors: 1 2 5 10 13 26 65 130 156393930787 312787861574 781969653935 1563939307870 2033121100231 4066242200462 10165605501155 20331211002310