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172142611049 = 8914947129403
BaseRepresentation
bin1010000001010001111…
…1111100101001101001
3121110022220200200221002
42200110133330221221
510310022002023144
6211025313324345
715302566023413
oct2402437745151
9543286620832
10172142611049
116700701a602
12294422666b5
1313304b14086
1484904559b3
1547279cd14e
hex28147fca69

172142611049 has 8 divisors (see below), whose sum is σ = 174089789280. Its totient is φ = 170195721696.

The previous prime is 172142610989. The next prime is 172142611057. The reversal of 172142611049 is 940116241271.

172142611049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 172142611049 - 212 = 172142606953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172142611649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1265582 + ... + 1394984.

It is an arithmetic number, because the mean of its divisors is an integer number (21761223660).

Almost surely, 2172142611049 is an apocalyptic number.

It is an amenable number.

172142611049 is a deficient number, since it is larger than the sum of its proper divisors (1947178231).

172142611049 is a wasteful number, since it uses less digits than its factorization.

172142611049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144439.

The product of its (nonzero) digits is 24192, while the sum is 38.

The spelling of 172142611049 in words is "one hundred seventy-two billion, one hundred forty-two million, six hundred eleven thousand, forty-nine".

Divisors: 1 89 14947 129403 1330283 11516867 1934186641 172142611049