Search a number
-
+
106907698657 = 372889397261
BaseRepresentation
bin110001110010000110…
…0100000010111100001
3101012221120200210101201
41203210030200113201
53222421332324112
6121040203001201
710503162305434
oct1434414402741
9335846623351
10106907698657
1141380677371
1218877209201
13a1099690b6
14526263181b
152baa8c0257
hex18e43205e1

106907698657 has 4 divisors (see below), whose sum is σ = 109797095956. Its totient is φ = 104018301360.

The previous prime is 106907698649. The next prime is 106907698673. The reversal of 106907698657 is 756896709601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 756896709601 = 3119242672879.

It can be written as a sum of positive squares in 2 ways, for example, as 81961391521 + 24946307136 = 286289^2 + 157944^2 .

It is a cyclic number.

It is not a de Polignac number, because 106907698657 - 23 = 106907698649 is a prime.

It is a super-2 number, since 2×1069076986572 (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 (106907698957) 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, 1444698594 + ... + 1444698667.

It is an arithmetic number, because the mean of its divisors is an integer number (27449273989).

Almost surely, 2106907698657 is an apocalyptic number.

It is an amenable number.

106907698657 is a deficient number, since it is larger than the sum of its proper divisors (2889397299).

106907698657 is an equidigital number, since it uses as much as digits as its factorization.

106907698657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889397298.

The product of its (nonzero) digits is 34292160, while the sum is 64.

The spelling of 106907698657 in words is "one hundred six billion, nine hundred seven million, six hundred ninety-eight thousand, six hundred fifty-seven".

Divisors: 1 37 2889397261 106907698657