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13542003431 = 118271488623
BaseRepresentation
bin11001001110010101…
…01001001011100111
31021221202200001101122
430213022221023213
5210213223102211
610115432044155
7656404062365
oct144712511347
937852601348
1013542003431
11581a120680
12275b23365b
13137a7724a8
14926736635
15543d156db
hex3272a92e7

13542003431 has 8 divisors (see below), whose sum is σ = 14790968064. Its totient is φ = 12296017720.

The previous prime is 13542003403. The next prime is 13542003467. The reversal of 13542003431 is 13430024531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13542003431 - 218 = 13541741287 is a prime.

It is a super-2 number, since 2×135420034312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13542003431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13542003491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 735215 + ... + 753408.

It is an arithmetic number, because the mean of its divisors is an integer number (1848871008).

Almost surely, 213542003431 is an apocalyptic number.

13542003431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13542003431 is a deficient number, since it is larger than the sum of its proper divisors (1248964633).

13542003431 is a wasteful number, since it uses less digits than its factorization.

13542003431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489461.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 13542003431 its reverse (13430024531), we get a palindrome (26972027962).

The spelling of 13542003431 in words is "thirteen billion, five hundred forty-two million, three thousand, four hundred thirty-one".

Divisors: 1 11 827 9097 1488623 16374853 1231091221 13542003431