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13240012124 = 227146619761
BaseRepresentation
bin11000101010010101…
…01000110101011100
31021011201102022012102
430111022220311130
5204103420341444
610025443224232
7646046150303
oct142512506534
937151368172
1013240012124
115684707089
122696078078
131330028201
148d85a543a
1552756184e
hex3152a8d5c

13240012124 has 12 divisors (see below), whose sum is σ = 23496360048. Its totient is φ = 6526766400.

The previous prime is 13240012111. The next prime is 13240012133. The reversal of 13240012124 is 42121004231.

It is a super-4 number, since 4×132400121244 (a number of 42 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13240012096 and 13240012105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23309597 + ... + 23310164.

It is an arithmetic number, because the mean of its divisors is an integer number (1958030004).

Almost surely, 213240012124 is an apocalyptic number.

It is an amenable number.

13240012124 is a deficient number, since it is larger than the sum of its proper divisors (10256347924).

13240012124 is a wasteful number, since it uses less digits than its factorization.

13240012124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46619836 (or 46619834 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 13240012124 its reverse (42121004231), we get a palindrome (55361016355).

The spelling of 13240012124 in words is "thirteen billion, two hundred forty million, twelve thousand, one hundred twenty-four".

Divisors: 1 2 4 71 142 284 46619761 93239522 186479044 3310003031 6620006062 13240012124