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184125914149 = 613018457609
BaseRepresentation
bin1010101101111011000…
…0100111110000100101
3122121021001101120102211
42223132300213300211
511004042213223044
6220330345203421
716205545306222
oct2533660476045
9577231346384
10184125914149
11710a6307591
122b827490571
1314494680a78
148ca9b68949
154bc9a51634
hex2adec27c25

184125914149 has 4 divisors (see below), whose sum is σ = 187144371820. Its totient is φ = 181107456480.

The previous prime is 184125914143. The next prime is 184125914207. The reversal of 184125914149 is 941419521481.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 941419521481 = 3951112382671.

It can be written as a sum of positive squares in 2 ways, for example, as 55401390625 + 128724523524 = 235375^2 + 358782^2 .

It is a cyclic number.

It is not a de Polignac number, because 184125914149 - 223 = 184117525541 is a prime.

It is a super-2 number, since 2×1841259141492 (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 (184125914143) 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, 1509228744 + ... + 1509228865.

It is an arithmetic number, because the mean of its divisors is an integer number (46786092955).

Almost surely, 2184125914149 is an apocalyptic number.

It is an amenable number.

184125914149 is a deficient number, since it is larger than the sum of its proper divisors (3018457671).

184125914149 is an equidigital number, since it uses as much as digits as its factorization.

184125914149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3018457670.

The product of its digits is 414720, while the sum is 49.

The spelling of 184125914149 in words is "one hundred eighty-four billion, one hundred twenty-five million, nine hundred fourteen thousand, one hundred forty-nine".

Divisors: 1 61 3018457609 184125914149