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170481800138 = 2136556992313
BaseRepresentation
bin1001111011000110000…
…0011101001111001010
3121022001011120202122212
42132301200131033022
510243121320101023
6210152424345122
715213461251166
oct2366140351712
9538034522585
10170481800138
1166334593801
122905a0151a2
13130cba09220
148373a51ca6
15467bcbae78
hex27b181d3ca

170481800138 has 8 divisors (see below), whose sum is σ = 275393677188. Its totient is φ = 78683907744.

The previous prime is 170481800131. The next prime is 170481800141. The reversal of 170481800138 is 831008184071.

170481800138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 167046316369 + 3435483769 = 408713^2 + 58613^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 170481800095 and 170481800104.

It is not an unprimeable number, because it can be changed into a prime (170481800131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3278496131 + ... + 3278496182.

Almost surely, 2170481800138 is an apocalyptic number.

170481800138 is a deficient number, since it is larger than the sum of its proper divisors (104911877050).

170481800138 is a wasteful number, since it uses less digits than its factorization.

170481800138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6556992328.

The product of its (nonzero) digits is 43008, while the sum is 41.

The spelling of 170481800138 in words is "one hundred seventy billion, four hundred eighty-one million, eight hundred thousand, one hundred thirty-eight".

Divisors: 1 2 13 26 6556992313 13113984626 85240900069 170481800138