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261237914060 = 22513061895703
BaseRepresentation
bin1111001101001011111…
…1100011100111001100
3220222022010020001002112
43303102333203213030
513240003401222220
6320002215043152
724605501426414
oct3632277434714
9828263201075
10261237914060
11a0876aa0432
12427680704b8
131b833386a96
14c903133644
156bde7015c5
hex3cd2fe39cc

261237914060 has 12 divisors (see below), whose sum is σ = 548599619568. Its totient is φ = 104495165616.

The previous prime is 261237914053. The next prime is 261237914083. The reversal of 261237914060 is 60419732162.

It is a junction number, because it is equal to n+sod(n) for n = 261237913999 and 261237914017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6530947832 + ... + 6530947871.

It is an arithmetic number, because the mean of its divisors is an integer number (45716634964).

Almost surely, 2261237914060 is an apocalyptic number.

261237914060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

261237914060 is an abundant number, since it is smaller than the sum of its proper divisors (287361705508).

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

261237914060 is a wasteful number, since it uses less digits than its factorization.

261237914060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13061895712 (or 13061895710 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 261237914060 in words is "two hundred sixty-one billion, two hundred thirty-seven million, nine hundred fourteen thousand, sixty".

Divisors: 1 2 4 5 10 20 13061895703 26123791406 52247582812 65309478515 130618957030 261237914060