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164719314373 = 4113273027539
BaseRepresentation
bin1001100101101000001…
…0010100010111000101
3120202011120110011021011
42121122002110113011
510144321121024443
6203400534322221
714620620033145
oct2313202242705
9522146404234
10164719314373
1163947838979
1227b101b9371
13126c0c00a33
147d885cc925
154440e4cb9d
hex265a0945c5

164719314373 has 8 divisors (see below), whose sum is σ = 168864071040. Its totient is φ = 160580615520.

The previous prime is 164719314371. The next prime is 164719314413. The reversal of 164719314373 is 373413917461.

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 164719314373 - 21 = 164719314371 is a prime.

It is a super-2 number, since 2×1647193143732 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164719314371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1459363 + ... + 1568176.

It is an arithmetic number, because the mean of its divisors is an integer number (21108008880).

Almost surely, 2164719314373 is an apocalyptic number.

It is an amenable number.

164719314373 is a deficient number, since it is larger than the sum of its proper divisors (4144756667).

164719314373 is a wasteful number, since it uses less digits than its factorization.

164719314373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028907.

The product of its digits is 1143072, while the sum is 49.

The spelling of 164719314373 in words is "one hundred sixty-four billion, seven hundred nineteen million, three hundred fourteen thousand, three hundred seventy-three".

Divisors: 1 41 1327 54407 3027539 124129099 4017544253 164719314373