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1310157230 = 25839156157
BaseRepresentation
bin100111000010111…
…0110100110101110
310101022021212211212
41032011312212232
510140400012410
6334001114422
744316103244
oct11605664656
93338255755
101310157230
11612605578
12306928a12
1317b583285
14c6006794
157a049b05
hex4e1769ae

1310157230 has 16 divisors (see below), whose sum is σ = 2361108960. Its totient is φ = 523434912.

The previous prime is 1310157229. The next prime is 1310157253. The reversal of 1310157230 is 327510131.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1310157196 and 1310157205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69689 + ... + 86468.

It is an arithmetic number, because the mean of its divisors is an integer number (147569310).

Almost surely, 21310157230 is an apocalyptic number.

1310157230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1310157230 is a deficient number, since it is larger than the sum of its proper divisors (1050951730).

1310157230 is a wasteful number, since it uses less digits than its factorization.

1310157230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157003.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 1310157230 is about 36196.0941263004. The cubic root of 1310157230 is about 1094.2279553321.

Adding to 1310157230 its reverse (327510131), we get a palindrome (1637667361).

The spelling of 1310157230 in words is "one billion, three hundred ten million, one hundred fifty-seven thousand, two hundred thirty".

Divisors: 1 2 5 10 839 1678 4195 8390 156157 312314 780785 1561570 131015723 262031446 655078615 1310157230