Search a number
-
+
23032020320020 = 2253137148419871
BaseRepresentation
bin1010011110010100011110…
…11000111011111100010100
310000112211200002121120112101
411033022033120323330110
511004324034200220040
6120552433012131444
74565002635350455
oct517121730737424
9100484602546471
1023032020320020
11737a909033108
1226bb915006b84
13cb0baa91905a
14598a81a2712c
1529e1b077c09a
hex14f28f63bf14

23032020320020 has 24 divisors (see below), whose sum is σ = 49927476307968. Its totient is φ = 8915620768800.

The previous prime is 23032020319969. The next prime is 23032020320033. The reversal of 23032020320020 is 2002302023032.

It is a self number, because there is not a number n which added to its sum of digits gives 23032020320020.

It is a congruent number.

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, 18574209316 + ... + 18574210555.

It is an arithmetic number, because the mean of its divisors is an integer number (2080311512832).

Almost surely, 223032020320020 is an apocalyptic number.

23032020320020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23032020320020 is an abundant number, since it is smaller than the sum of its proper divisors (26895455987948).

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

23032020320020 is a wasteful number, since it uses less digits than its factorization.

23032020320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37148419911 (or 37148419909 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 23032020320020 its reverse (2002302023032), we get a palindrome (25034322343052).

The spelling of 23032020320020 in words is "twenty-three trillion, thirty-two billion, twenty million, three hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 37148419871 74296839742 148593679484 185742099355 371484198710 742968397420 1151601016001 2303202032002 4606404064004 5758005080005 11516010160010 23032020320020