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1530140131 = 131741473593
BaseRepresentation
bin101101100110100…
…0001010111100011
310221122020011122201
41123031001113203
511113203441011
6411500114031
752626655642
oct13315012743
93848204581
101530140131
117157a6a23
12368535917
131b5015c80
1410730b359
158e4eecc1
hex5b3415e3

1530140131 has 32 divisors (see below), whose sum is σ = 1825867008. Its totient is φ = 1268981760.

The previous prime is 1530140123. The next prime is 1530140141. The reversal of 1530140131 is 1310410351.

It is a cyclic number.

It is not a de Polignac number, because 1530140131 - 23 = 1530140123 is a prime.

It is a super-2 number, since 2×15301401312 = 4682657640993394322, 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 = 1530140099 and 1530140108.

It is not an unprimeable number, because it can be changed into a prime (1530140141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 424071 + ... + 427663.

It is an arithmetic number, because the mean of its divisors is an integer number (57058344).

Almost surely, 21530140131 is an apocalyptic number.

1530140131 is a deficient number, since it is larger than the sum of its proper divisors (295726877).

1530140131 is a wasteful number, since it uses less digits than its factorization.

1530140131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3711.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1530140131 is about 39117.0056497171. The cubic root of 1530140131 is about 1152.3305305875.

Adding to 1530140131 its reverse (1310410351), we get a palindrome (2840550482).

The spelling of 1530140131 in words is "one billion, five hundred thirty million, one hundred forty thousand, one hundred thirty-one".

Divisors: 1 13 17 41 47 221 533 611 697 799 1927 3593 9061 10387 25051 32759 46709 61081 147313 168871 425867 794053 1915069 2195323 2504321 2870807 6923711 32556173 37320491 90008243 117703087 1530140131