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172676048785 = 5231999751141
BaseRepresentation
bin1010000011010001001…
…0110110011110010001
3121111201002110010221021
42200310102312132101
510312120032030120
6211154250555441
715322034124442
oct2406422663621
9544632403837
10172676048785
1167260145239
1229570a38b81
131338b4a5ac6
1485012332c9
15475974daaa
hex28344b6791

172676048785 has 16 divisors (see below), whose sum is σ = 216328896000. Its totient is φ = 132068439360.

The previous prime is 172676048759. The next prime is 172676048789. The reversal of 172676048785 is 587840676271.

It is not a de Polignac number, because 172676048785 - 211 = 172676046737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (172676048789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145686 + ... + 605455.

It is an arithmetic number, because the mean of its divisors is an integer number (13520556000).

Almost surely, 2172676048785 is an apocalyptic number.

It is an amenable number.

172676048785 is a deficient number, since it is larger than the sum of its proper divisors (43652847215).

172676048785 is a wasteful number, since it uses less digits than its factorization.

172676048785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753168.

The product of its (nonzero) digits is 31610880, while the sum is 61.

The spelling of 172676048785 in words is "one hundred seventy-two billion, six hundred seventy-six million, forty-eight thousand, seven hundred eighty-five".

Divisors: 1 5 23 115 1999 9995 45977 229885 751141 3755705 17276243 86381215 1501530859 7507654295 34535209757 172676048785