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30313511288061 = 361838537233777
BaseRepresentation
bin1101110010001111010100…
…00100100111110011111101
310222022221110201111100001120
412321013222010213303331
512433124032342204221
6144245500154101153
76246036032356131
oct671075204476375
9128287421440046
1030313511288061
11972798493a021
123496b6571a7b9
1313bb723547861
1476b278b0b3c1
153787cd7325c6
hex1b91ea127cfd

30313511288061 has 32 divisors (see below), whose sum is σ = 41580600421248. Its totient is φ = 19635837450240.

The previous prime is 30313511287987. The next prime is 30313511288069. The reversal of 30313511288061 is 16088211531303.

It is not a de Polignac number, because 30313511288061 - 27 = 30313511287933 is a prime.

It is a super-2 number, since 2×303135112880612 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30313511288069) 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, 129551605 + ... + 129785381.

It is an arithmetic number, because the mean of its divisors is an integer number (1299393763164).

Almost surely, 230313511288061 is an apocalyptic number.

It is an amenable number.

30313511288061 is a deficient number, since it is larger than the sum of its proper divisors (11267089133187).

30313511288061 is a wasteful number, since it uses less digits than its factorization.

30313511288061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242461.

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 30313511288061 in words is "thirty trillion, three hundred thirteen billion, five hundred eleven million, two hundred eighty-eight thousand, sixty-one".

Divisors: 1 3 61 83 183 249 5063 8537 15189 25611 233777 520757 701331 708571 1562271 2125713 14260397 19403491 42781191 43222831 58210473 129668493 1183612951 1995754249 3550838853 5987262747 121741009189 165647602667 365223027567 496942808001 10104503762687 30313511288061