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106215115161 = 3191863423073
BaseRepresentation
bin110001011101011101…
…0100000100110011001
3101011011022110220110010
41202322322200212121
53220012032141121
6120443342312133
710450052403531
oct1427272404631
9334138426403
10106215115161
1141055733111
1218703288649
13a02932568c
1451d86684c1
152b69bb5376
hex18baea0999

106215115161 has 8 divisors (see below), whose sum is σ = 149073845920. Its totient is φ = 67083230592.

The previous prime is 106215115091. The next prime is 106215115163. The reversal of 106215115161 is 161511512601.

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

It is not a de Polignac number, because 106215115161 - 219 = 106214590873 is a prime.

It is a super-2 number, since 2×1062151151612 (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 (106215115163) 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, 931711480 + ... + 931711593.

It is an arithmetic number, because the mean of its divisors is an integer number (18634230740).

Almost surely, 2106215115161 is an apocalyptic number.

It is an amenable number.

106215115161 is a deficient number, since it is larger than the sum of its proper divisors (42858730759).

106215115161 is a wasteful number, since it uses less digits than its factorization.

106215115161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1863423095.

The product of its (nonzero) digits is 1800, while the sum is 30.

Adding to 106215115161 its reverse (161511512601), we get a palindrome (267726627762).

The spelling of 106215115161 in words is "one hundred six billion, two hundred fifteen million, one hundred fifteen thousand, one hundred sixty-one".

Divisors: 1 3 19 57 1863423073 5590269219 35405038387 106215115161