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20157066467701 = 311574141579303
BaseRepresentation
bin1001001010101001011101…
…10010010101100101110101
32122100222220121201202212021
410211110232302111211311
510120223133003431301
6110512010053353141
74150204616664532
oct445245662254565
978328817652767
1020157066467701
116471622588a39
1223166a89387b1
13b32a5986bc17
144d987030bd89
1524e4e900d8a1
hex12552ec95975

20157066467701 has 8 divisors (see below), whose sum is σ = 20939824961024. Its totient is φ = 19382591133360.

The previous prime is 20157066467693. The next prime is 20157066467899. The reversal of 20157066467701 is 10776466075102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20157066467701 - 23 = 20157066467693 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 (20157066464701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2070784785 + ... + 2070794518.

It is an arithmetic number, because the mean of its divisors is an integer number (2617478120128).

Almost surely, 220157066467701 is an apocalyptic number.

It is an amenable number.

20157066467701 is a deficient number, since it is larger than the sum of its proper divisors (782758493323).

20157066467701 is a wasteful number, since it uses less digits than its factorization.

20157066467701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4141579491.

The product of its (nonzero) digits is 2963520, while the sum is 52.

The spelling of 20157066467701 in words is "twenty trillion, one hundred fifty-seven billion, sixty-six million, four hundred sixty-seven thousand, seven hundred one".

Divisors: 1 31 157 4867 4141579303 128388958393 650227950571 20157066467701