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106161613 = 138176873
BaseRepresentation
bin1100101001111…
…10010111001101
321101202120100121
412110332113031
5204134132423
614311224541
72426234035
oct624762715
9241676317
10106161613
1154a1a878
122b678151
1318cc022c
14101568c5
1594c045d
hex653e5cd

106161613 has 4 divisors (see below), whose sum is σ = 106239868. Its totient is φ = 106083360.

The previous prime is 106161599. The next prime is 106161619. The reversal of 106161613 is 316161601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 85340644 + 20820969 = 9238^2 + 4563^2 .

It is a cyclic number.

It is not a de Polignac number, because 106161613 - 25 = 106161581 is a prime.

It is a super-2 number, since 2×1061616132 = 22540576149523538, which 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 (106161619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37056 + ... + 39817.

It is an arithmetic number, because the mean of its divisors is an integer number (26559967).

Almost surely, 2106161613 is an apocalyptic number.

It is an amenable number.

106161613 is a deficient number, since it is larger than the sum of its proper divisors (78255).

106161613 is an equidigital number, since it uses as much as digits as its factorization.

106161613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78254.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 106161613 is about 10303.4757727672. The cubic root of 106161613 is about 473.5027469458.

The spelling of 106161613 in words is "one hundred six million, one hundred sixty-one thousand, six hundred thirteen".

Divisors: 1 1381 76873 106161613