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13993011077429 = 88315847124663
BaseRepresentation
bin1100101110100000000001…
…1101000110000100110101
31211112201102000000220100102
43023220000131012010311
53313230141313434204
645432144530123445
72642650600446026
oct313500035060465
954481360026312
1013993011077429
114505447a5771a
12169bb33120585
137a66c60290c7
143653a0196c4d
15193ecc57141e
hexcba00746135

13993011077429 has 4 divisors (see below), whose sum is σ = 14008858202976. Its totient is φ = 13977163951884.

The previous prime is 13993011077413. The next prime is 13993011077443. The reversal of 13993011077429 is 92477011039931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13993011077429 - 24 = 13993011077413 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13993011077459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7923561449 + ... + 7923563214.

It is an arithmetic number, because the mean of its divisors is an integer number (3502214550744).

Almost surely, 213993011077429 is an apocalyptic number.

It is an amenable number.

13993011077429 is a deficient number, since it is larger than the sum of its proper divisors (15847125547).

13993011077429 is an equidigital number, since it uses as much as digits as its factorization.

13993011077429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15847125546.

The product of its (nonzero) digits is 2571912, while the sum is 56.

The spelling of 13993011077429 in words is "thirteen trillion, nine hundred ninety-three billion, eleven million, seventy-seven thousand, four hundred twenty-nine".

Divisors: 1 883 15847124663 13993011077429