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172312446853 = 1677559136501
BaseRepresentation
bin1010000001111010011…
…1110100011110000101
3121110202202021020212001
42200132213310132011
510310343441244403
6211054221425301
715310030426501
oct2403647643605
9543682236761
10172312446853
116709397a778
122948b10b231
1313331069731
1484a8c25301
154737879c1d
hex281e9f4785

172312446853 has 8 divisors (see below), whose sum is σ = 173368460160. Its totient is φ = 171256722000.

The previous prime is 172312446851. The next prime is 172312446893. The reversal of 172312446853 is 358644213271.

172312446853 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 172312446853 - 21 = 172312446851 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172312446851) 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, 1194103 + ... + 1330603.

It is an arithmetic number, because the mean of its divisors is an integer number (21671057520).

Almost surely, 2172312446853 is an apocalyptic number.

It is an amenable number.

172312446853 is a deficient number, since it is larger than the sum of its proper divisors (1056013307).

172312446853 is a wasteful number, since it uses less digits than its factorization.

172312446853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144227.

The product of its digits is 967680, while the sum is 46.

The spelling of 172312446853 in words is "one hundred seventy-two billion, three hundred twelve million, four hundred forty-six thousand, eight hundred fifty-three".

Divisors: 1 167 7559 136501 1262353 22795667 1031811059 172312446853