Search a number
-
+
12383635520845 = 517379431891893
BaseRepresentation
bin1011010000110100101000…
…1100100011110101001101
31121211212022211222210120201
42310031022030203311031
53110343141143131340
642200544050413501
72415455014102531
oct264151214436515
947755284883521
1012383635520845
113a44963457866
121480046591291
136baa058bc264
1430b52a653bc1
151671d7d2979a
hexb434a323d4d

12383635520845 has 32 divisors (see below), whose sum is σ = 15812638456320. Its totient is φ = 9277960043520.

The previous prime is 12383635520827. The next prime is 12383635520857. The reversal of 12383635520845 is 54802553638321.

It is a happy number.

It is not a de Polignac number, because 12383635520845 - 25 = 12383635520813 is a prime.

It is a congruent number.

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, 13438719 + ... + 14330611.

It is an arithmetic number, because the mean of its divisors is an integer number (494144951760).

Almost surely, 212383635520845 is an apocalyptic number.

It is an amenable number.

12383635520845 is a deficient number, since it is larger than the sum of its proper divisors (3429002935475).

12383635520845 is a wasteful number, since it uses less digits than its factorization.

12383635520845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892725.

The product of its (nonzero) digits is 20736000, while the sum is 55.

The spelling of 12383635520845 in words is "twelve trillion, three hundred eighty-three billion, six hundred thirty-five million, five hundred twenty thousand, eight hundred forty-five".

Divisors: 1 5 17 85 379 431 1895 2155 6443 7327 32215 36635 163349 816745 891893 2776933 4459465 13884665 15162181 75810905 338027447 384405883 1690137235 1922029415 5746466599 6534900011 28732332995 32674500055 145689829657 728449148285 2476727104169 12383635520845