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31300012230250 = 253196589476259
BaseRepresentation
bin1110001110111100110100…
…00111000100011001101010
311002211020210200001120110111
413013132122013010121222
513100304411112332000
6150323005505004534
76410231324126401
oct707363207043152
9132736720046414
1031300012230250
119a78295a06a95
12361619a92374a
131460769c2940a
147a2d003da638
153942b9d17cba
hex1c779a1c466a

31300012230250 has 32 divisors (see below), whose sum is σ = 61677497793600. Its totient is φ = 11861057264400.

The previous prime is 31300012230239. The next prime is 31300012230251. The reversal of 31300012230250 is 5203221000313.

It is a super-2 number, since 2×313000122302502 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31300012230251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3294733380 + ... + 3294742879.

It is an arithmetic number, because the mean of its divisors is an integer number (1927421806050).

Almost surely, 231300012230250 is an apocalyptic number.

31300012230250 is a deficient number, since it is larger than the sum of its proper divisors (30377485563350).

31300012230250 is a wasteful number, since it uses less digits than its factorization.

31300012230250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6589476295 (or 6589476285 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 31300012230250 its reverse (5203221000313), we get a palindrome (36503233230563).

The spelling of 31300012230250 in words is "thirty-one trillion, three hundred billion, twelve million, two hundred thirty thousand, two hundred fifty".

Divisors: 1 2 5 10 19 25 38 50 95 125 190 250 475 950 2375 4750 6589476259 13178952518 32947381295 65894762590 125200048921 164736906475 250400097842 329473812950 626000244605 823684532375 1252000489210 1647369064750 3130001223025 6260002446050 15650006115125 31300012230250