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106078743121 = 138159903317
BaseRepresentation
bin110001011001011001…
…0010010101001010001
3101010210210212111011211
41202302302102221101
53214222124234441
6120422031340121
710443505303441
oct1426262225121
9333723774154
10106078743121
1140a9575984a
1218685681641
13a006cb8770
1451c44ca121
152b5cc28a81
hex18b2c92a51

106078743121 has 4 divisors (see below), whose sum is σ = 114238646452. Its totient is φ = 97918839792.

The previous prime is 106078743101. The next prime is 106078743137. The reversal of 106078743121 is 121347870601.

It is a happy number.

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 48653330625 + 57425412496 = 220575^2 + 239636^2 .

It is a cyclic number.

It is not a de Polignac number, because 106078743121 - 213 = 106078734929 is a prime.

It is a super-2 number, since 2×1060787431212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106078743101) 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, 4079951646 + ... + 4079951671.

It is an arithmetic number, because the mean of its divisors is an integer number (28559661613).

Almost surely, 2106078743121 is an apocalyptic number.

It is an amenable number.

106078743121 is a deficient number, since it is larger than the sum of its proper divisors (8159903331).

106078743121 is an equidigital number, since it uses as much as digits as its factorization.

106078743121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8159903330.

The product of its (nonzero) digits is 56448, while the sum is 40.

The spelling of 106078743121 in words is "one hundred six billion, seventy-eight million, seven hundred forty-three thousand, one hundred twenty-one".

Divisors: 1 13 8159903317 106078743121