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245152632144 = 24373123536159
BaseRepresentation
bin1110010001010000111…
…1000100110101010000
3212102210002221001111110
43210110033010311100
513004033033212034
6304342131413320
723466052663650
oct3442417046520
9772702831443
10245152632144
1194a722a7012
123b619154240
131a16ba412a4
14bc18b22360
15659c4b1de9
hex39143c4d50

245152632144 has 80 divisors (see below), whose sum is σ = 747131863040. Its totient is φ = 67784135040.

The previous prime is 245152632143. The next prime is 245152632163. The reversal of 245152632144 is 441236251542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245152632143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11757664 + ... + 11778495.

It is an arithmetic number, because the mean of its divisors is an integer number (9339148288).

Almost surely, 2245152632144 is an apocalyptic number.

245152632144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

245152632144 is an abundant number, since it is smaller than the sum of its proper divisors (501979230896).

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

245152632144 is a wasteful number, since it uses less digits than its factorization.

245152632144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23536208 (or 23536202 counting only the distinct ones).

The product of its digits is 230400, while the sum is 39.

Adding to 245152632144 its reverse (441236251542), we get a palindrome (686388883686).

The spelling of 245152632144 in words is "two hundred forty-five billion, one hundred fifty-two million, six hundred thirty-two thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 31 42 48 56 62 84 93 112 124 168 186 217 248 336 372 434 496 651 744 868 1302 1488 1736 2604 3472 5208 10416 23536159 47072318 70608477 94144636 141216954 164753113 188289272 282433908 329506226 376578544 494259339 564867816 659012452 729620929 988518678 1129735632 1318024904 1459241858 1977037356 2188862787 2636049808 2918483716 3954074712 4377725574 5107346503 5836967432 7908149424 8755451148 10214693006 11673934864 15322039509 17510902296 20429386012 30644079018 35021804592 40858772024 61288158036 81717544048 122576316072 245152632144