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123853897088 = 273726151583
BaseRepresentation
bin111001101011001000…
…1000111110110000000
3102211200120221212102122
41303112101013312000
54012123044201323
6132521522503412
711643133516655
oct1632621076600
9384616855378
10123853897088
1148587329039
1220006504b68
13b8aa77294c
145dcd107c2c
15334d4baec8
hex1cd6447d80

123853897088 has 32 divisors (see below), whose sum is σ = 253408848960. Its totient is φ = 60253244928.

The previous prime is 123853897087. The next prime is 123853897091. The reversal of 123853897088 is 880798358321.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 123853897088.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123853897087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13071056 + ... + 13080527.

It is an arithmetic number, because the mean of its divisors is an integer number (7919026530).

Almost surely, 2123853897088 is an apocalyptic number.

It is an amenable number.

123853897088 is an abundant number, since it is smaller than the sum of its proper divisors (129554951872).

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

123853897088 is an equidigital number, since it uses as much as digits as its factorization.

123853897088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26151634 (or 26151622 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 62.

The spelling of 123853897088 in words is "one hundred twenty-three billion, eight hundred fifty-three million, eight hundred ninety-seven thousand, eighty-eight".

Divisors: 1 2 4 8 16 32 37 64 74 128 148 296 592 1184 2368 4736 26151583 52303166 104606332 209212664 418425328 836850656 967608571 1673701312 1935217142 3347402624 3870434284 7740868568 15481737136 30963474272 61926948544 123853897088