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106505166101 = 163653405927
BaseRepresentation
bin110001100110000110…
…0111101110100010101
3101011220112021000112112
41203030030331310111
53221110310303401
6120532223200405
710460203655225
oct1431414756425
9334815230475
10106505166101
1141194431734
1218784446105
13a07444bb59
145224dac085
152b853ab3bb
hex18cc33dd15

106505166101 has 4 divisors (see below), whose sum is σ = 107158572192. Its totient is φ = 105851760012.

The previous prime is 106505166049. The next prime is 106505166143. The reversal of 106505166101 is 101661505601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 101661505601 = 248827408563.

It is a cyclic number.

It is not a de Polignac number, because 106505166101 - 210 = 106505165077 is a prime.

It is a super-2 number, since 2×1065051661012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106505166401) 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 3 ways as a sum of consecutive naturals, for example, 326702801 + ... + 326703126.

It is an arithmetic number, because the mean of its divisors is an integer number (26789643048).

Almost surely, 2106505166101 is an apocalyptic number.

It is an amenable number.

106505166101 is a deficient number, since it is larger than the sum of its proper divisors (653406091).

106505166101 is an equidigital number, since it uses as much as digits as its factorization.

106505166101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653406090.

The product of its (nonzero) digits is 5400, while the sum is 32.

The spelling of 106505166101 in words is "one hundred six billion, five hundred five million, one hundred sixty-six thousand, one hundred one".

Divisors: 1 163 653405927 106505166101