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106687648631 = 378334740361
BaseRepresentation
bin110001101011100010…
…1000101001101110111
3101012101020122002111202
41203113011011031313
53221444014224011
6121002302323115
710464551023244
oct1432705051567
9335336562452
10106687648631
114127843a543
121881558949b
13a0a31b1995
1452413105cb
152b9640523b
hex18d7145377

106687648631 has 8 divisors (see below), whose sum is σ = 110891235504. Its totient is φ = 102553542720.

The previous prime is 106687648621. The next prime is 106687648633. The reversal of 106687648631 is 136846786601.

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

It is a cyclic number.

It is not a de Polignac number, because 106687648631 - 210 = 106687647607 is a prime.

It is a super-2 number, since 2×1066876486312 (a number of 23 digits) 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 (106687648633) 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, 17367110 + ... + 17373251.

It is an arithmetic number, because the mean of its divisors is an integer number (13861404438).

Almost surely, 2106687648631 is an apocalyptic number.

106687648631 is a deficient number, since it is larger than the sum of its proper divisors (4203586873).

106687648631 is an equidigital number, since it uses as much as digits as its factorization.

106687648631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34740481.

The product of its (nonzero) digits is 6967296, while the sum is 56.

The spelling of 106687648631 in words is "one hundred six billion, six hundred eighty-seven million, six hundred forty-eight thousand, six hundred thirty-one".

Divisors: 1 37 83 3071 34740361 1285393357 2883449963 106687648631