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20302013112 = 2337243116791
BaseRepresentation
bin10010111010000110…
…000010001010111000
31221101212211010100120
4102322012002022320
5313034303404422
613154314333240
71316050156413
oct227206021270
957355733316
1020302013112
118678a58a37
123b2712a220
131bb712bb14
14da8460b7a
157dc52645c
hex4ba1822b8

20302013112 has 32 divisors (see below), whose sum is σ = 50762474880. Its totient is φ = 6766345440.

The previous prime is 20302013101. The next prime is 20302013113. The reversal of 20302013112 is 21131020302.

It is a junction number, because it is equal to n+sod(n) for n = 20302013091 and 20302013100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302013113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115437 + ... + 232227.

It is an arithmetic number, because the mean of its divisors is an integer number (1586327340).

Almost surely, 220302013112 is an apocalyptic number.

It is an amenable number.

20302013112 is an abundant number, since it is smaller than the sum of its proper divisors (30460461768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20302013112 is a wasteful number, since it uses less digits than its factorization.

20302013112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124043 (or 124039 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20302013112 its reverse (21131020302), we get a palindrome (41433033414).

The spelling of 20302013112 in words is "twenty billion, three hundred two million, thirteen thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 7243 14486 21729 28972 43458 57944 86916 116791 173832 233582 350373 467164 700746 934328 1401492 2802984 845917213 1691834426 2537751639 3383668852 5075503278 6767337704 10151006556 20302013112