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3125010321 = 33115741123
BaseRepresentation
bin1011101001000011…
…1101111110010001
322001210020222021000
42322100331332101
522400000312241
61234031452213
7140304102156
oct27220757621
98053228230
103125010321
111363a94564
12732687069
133aa573b44
1421906822d
15134538eb6
hexba43df91

3125010321 has 8 divisors (see below), whose sum is σ = 4629644960. Its totient is φ = 2083340196.

The previous prime is 3125010319. The next prime is 3125010331. The reversal of 3125010321 is 1230105213.

It is not a de Polignac number, because 3125010321 - 21 = 3125010319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3125010294 and 3125010303.

It is not an unprimeable number, because it can be changed into a prime (3125010311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57870535 + ... + 57870588.

It is an arithmetic number, because the mean of its divisors is an integer number (578705620).

Almost surely, 23125010321 is an apocalyptic number.

It is an amenable number.

3125010321 is a deficient number, since it is larger than the sum of its proper divisors (1504634639).

3125010321 is a wasteful number, since it uses less digits than its factorization.

3125010321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115741132 (or 115741126 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 3125010321 is about 55901.7917512489. The cubic root of 3125010321 is about 1462.0104786400.

Adding to 3125010321 its reverse (1230105213), we get a palindrome (4355115534).

The spelling of 3125010321 in words is "three billion, one hundred twenty-five million, ten thousand, three hundred twenty-one".

Divisors: 1 3 9 27 115741123 347223369 1041670107 3125010321