Search a number
-
+
20764250112 = 21235331883
BaseRepresentation
bin10011010101101001…
…010101000000000000
31222121002121012022110
4103111221111000000
5320011122000422
613312225535320
71333362133224
oct232551250000
958532535273
1020764250112
118895972491
124035aa4540
131c5bb21638
14100d9c6784
15817dd060c
hex4d5a55000

20764250112 has 104 divisors (see below), whose sum is σ = 56410958304. Its totient is φ = 6790610944.

The previous prime is 20764250099. The next prime is 20764250119. The reversal of 20764250112 is 21105246702.

It is a self number, because there is not a number n which added to its sum of digits gives 20764250112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20764250119) 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, 635323 + ... + 667205.

Almost surely, 220764250112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20764250112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28205479152).

20764250112 is an abundant number, since it is smaller than the sum of its proper divisors (35646708192).

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

20764250112 is an equidigital number, since it uses as much as digits as its factorization.

20764250112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31963 (or 31941 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

Adding to 20764250112 its reverse (21105246702), we get a palindrome (41869496814).

The spelling of 20764250112 in words is "twenty billion, seven hundred sixty-four million, two hundred fifty thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 53 64 96 106 128 159 192 212 256 318 384 424 512 636 768 848 1024 1272 1536 1696 2048 2544 3072 3392 4096 5088 6144 6784 10176 12288 13568 20352 27136 31883 40704 54272 63766 81408 95649 108544 127532 162816 191298 217088 255064 325632 382596 510128 651264 765192 1020256 1530384 1689799 2040512 3060768 3379598 4081024 5069397 6121536 6759196 8162048 10138794 12243072 13518392 16324096 20277588 24486144 27036784 32648192 40555176 48972288 54073568 65296384 81110352 97944576 108147136 130592768 162220704 195889152 216294272 324441408 391778304 432588544 648882816 865177088 1297765632 1730354176 2595531264 3460708352 5191062528 6921416704 10382125056 20764250112