Search a number
-
+
20132433312 = 253792654593
BaseRepresentation
bin10010101111111111…
…001000110110100000
31220222001201120121020
4102233333020312200
5312212400331222
613125415525440
71311620600565
oct225777106640
956861646536
1020132433312
1185a1263142
123a9a389880
131b8ac65b44
14d8db1a86c
157cc6ca65c
hex4affc8da0

20132433312 has 48 divisors (see below), whose sum is σ = 53516615040. Its totient is φ = 6625861632.

The previous prime is 20132433281. The next prime is 20132433313. The reversal of 20132433312 is 21333423102.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (20132433313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1319713 + ... + 1334880.

It is an arithmetic number, because the mean of its divisors is an integer number (1114929480).

Almost surely, 220132433312 is an apocalyptic number.

It is an amenable number.

20132433312 is an abundant number, since it is smaller than the sum of its proper divisors (33384181728).

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

20132433312 is a wasteful number, since it uses less digits than its factorization.

20132433312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2654685 (or 2654677 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 20132433312 its reverse (21333423102), we get a palindrome (41465856414).

The spelling of 20132433312 in words is "twenty billion, one hundred thirty-two million, four hundred thirty-three thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 79 96 158 237 316 474 632 948 1264 1896 2528 3792 7584 2654593 5309186 7963779 10618372 15927558 21236744 31855116 42473488 63710232 84946976 127420464 209712847 254840928 419425694 629138541 838851388 1258277082 1677702776 2516554164 3355405552 5033108328 6710811104 10066216656 20132433312