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105402253025 = 527159381551
BaseRepresentation
bin110001000101001110…
…1101011111011100001
3101002001122221020020002
41202022131223323201
53211330434044100
6120230544025345
710420652240216
oct1421235537341
9332048836202
10105402253025
1140778907823
1218517002255
139c29abb274
14515c711b0d
152b1d64c2d5
hex188a76bee1

105402253025 has 12 divisors (see below), whose sum is σ = 132539624064. Its totient is φ = 83134170000.

The previous prime is 105402253009. The next prime is 105402253031. The reversal of 105402253025 is 520352204501.

It is not a de Polignac number, because 105402253025 - 24 = 105402253009 is a prime.

It is a super-2 number, since 2×1054022530252 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29689001 + ... + 29692550.

It is an arithmetic number, because the mean of its divisors is an integer number (11044968672).

Almost surely, 2105402253025 is an apocalyptic number.

It is an amenable number.

105402253025 is a deficient number, since it is larger than the sum of its proper divisors (27137371039).

105402253025 is an equidigital number, since it uses as much as digits as its factorization.

105402253025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59381632 (or 59381627 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 105402253025 its reverse (520352204501), we get a palindrome (625754457526).

The spelling of 105402253025 in words is "one hundred five billion, four hundred two million, two hundred fifty-three thousand, twenty-five".

Divisors: 1 5 25 71 355 1775 59381551 296907755 1484538775 4216090121 21080450605 105402253025