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118029719549 = 716861388507
BaseRepresentation
bin110110111101100011…
…1101001011111111101
3102021122200201222211102
41231323013221133331
53413211102011144
6130115550302445
711345613030350
oct1557307513775
9367580658742
10118029719549
1146068777275
121aa5bab7a25
13b18cc47451
1459d97c6297
15310c013b4e
hex1b7b1e97fd

118029719549 has 4 divisors (see below), whose sum is σ = 134891108064. Its totient is φ = 101168331036.

The previous prime is 118029719491. The next prime is 118029719569. The reversal of 118029719549 is 945917920811.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 945917920811 = 9293231017857.

It is a cyclic number.

It is not a de Polignac number, because 118029719549 - 28 = 118029719293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118029719494 and 118029719503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118029719569) 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, 8430694247 + ... + 8430694260.

It is an arithmetic number, because the mean of its divisors is an integer number (33722777016).

Almost surely, 2118029719549 is an apocalyptic number.

It is an amenable number.

118029719549 is a deficient number, since it is larger than the sum of its proper divisors (16861388515).

118029719549 is an equidigital number, since it uses as much as digits as its factorization.

118029719549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16861388514.

The product of its (nonzero) digits is 1632960, while the sum is 56.

The spelling of 118029719549 in words is "one hundred eighteen billion, twenty-nine million, seven hundred nineteen thousand, five hundred forty-nine".

Divisors: 1 7 16861388507 118029719549