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3481020129 = 31160340043
BaseRepresentation
bin1100111101111100…
…0010011011100001
322222121011010220110
43033133002123201
524112120121004
61333230201533
7152156116506
oct31737023341
98877133813
103481020129
111526a43a44
128119532a9
13436252632
1425045b4ad
1515590d589
hexcf7c26e1

3481020129 has 4 divisors (see below), whose sum is σ = 4641360176. Its totient is φ = 2320680084.

The previous prime is 3481020097. The next prime is 3481020149. The reversal of 3481020129 is 9210201843.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3481020129 - 25 = 3481020097 is a prime.

It is a super-2 number, since 2×34810201292 = 24235002277006353282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3481020096 and 3481020105.

It is not an unprimeable number, because it can be changed into a prime (3481020149) 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, 580170019 + ... + 580170024.

It is an arithmetic number, because the mean of its divisors is an integer number (1160340044).

Almost surely, 23481020129 is an apocalyptic number.

It is an amenable number.

3481020129 is a deficient number, since it is larger than the sum of its proper divisors (1160340047).

3481020129 is a wasteful number, since it uses less digits than its factorization.

3481020129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160340046.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 3481020129 is about 59000.1705844992. The cubic root of 3481020129 is about 1515.5450306190.

The spelling of 3481020129 in words is "three billion, four hundred eighty-one million, twenty thousand, one hundred twenty-nine".

Divisors: 1 3 1160340043 3481020129