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20313210122 = 235932598681
BaseRepresentation
bin10010111010110000…
…101111110100001010
31221102122212222202122
4102322300233310022
5313100140210442
613155354331242
71316244302642
oct227260576412
957378788678
1020313210122
118684306467
123b2aa29b22
131bb954c47a
14da9b37522
157dd4d8dd2
hex4bac2fd0a

20313210122 has 16 divisors (see below), whose sum is σ = 30567585600. Its totient is φ = 10124039520.

The previous prime is 20313210119. The next prime is 20313210149. The reversal of 20313210122 is 22101231302.

It is a self number, because there is not a number n which added to its sum of digits gives 20313210122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2335622 + ... + 2344302.

It is an arithmetic number, because the mean of its divisors is an integer number (1910474100).

Almost surely, 220313210122 is an apocalyptic number.

20313210122 is a deficient number, since it is larger than the sum of its proper divisors (10254375478).

20313210122 is a wasteful number, since it uses less digits than its factorization.

20313210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12301.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20313210122 its reverse (22101231302), we get a palindrome (42414441424).

The spelling of 20313210122 in words is "twenty billion, three hundred thirteen million, two hundred ten thousand, one hundred twenty-two".

Divisors: 1 2 359 718 3259 6518 8681 17362 1169981 2339962 3116479 6232958 28291379 56582758 10156605061 20313210122