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255253113120 = 253523109212117
BaseRepresentation
bin1110110110111001000…
…1010110100100100000
3220101212000202122121110
43231232101112210200
513140224244104440
6313132304023320
724304260443235
oct3555621264440
9811760678543
10255253113120
1199285800955
1241577901b40
131b0bb4b0155
14c4d635d78c
15698e0bc080
hex3b6e456920

255253113120 has 192 divisors, whose sum is σ = 846707178240. Its totient is φ = 64510414848.

The previous prime is 255253113107. The next prime is 255253113131. The reversal of 255253113120 is 21311352552.

It is a super-2 number, since 2×2552531131202 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1097302 + ... + 1309418.

It is an arithmetic number, because the mean of its divisors is an integer number (4409933220).

Almost surely, 2255253113120 is an apocalyptic number.

255253113120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255253113120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423353589120).

255253113120 is an abundant number, since it is smaller than the sum of its proper divisors (591454065120).

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

255253113120 is a wasteful number, since it uses less digits than its factorization.

255253113120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212267 (or 212259 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 255253113120 its reverse (21311352552), we get a palindrome (276564465672).

The spelling of 255253113120 in words is "two hundred fifty-five billion, two hundred fifty-three million, one hundred thirteen thousand, one hundred twenty".