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11512300430 = 25311371631663
BaseRepresentation
bin10101011100010111…
…11100001110001110
31002201022102110022102
422232023330032032
5142034122103210
65142204315102
7555166640051
oct125613741616
932638373272
1011512300430
114978436784
122293542a92
1311160c83b7
147b2d48a98
15475a36ea5
hex2ae2fc38e

11512300430 has 64 divisors (see below), whose sum is σ = 21691957248. Its totient is φ = 4394062080.

The previous prime is 11512300379. The next prime is 11512300439. The reversal of 11512300430 is 3400321511.

It is a super-2 number, since 2×115123004302 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11512300439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6921779 + ... + 6923441.

It is an arithmetic number, because the mean of its divisors is an integer number (338936832).

Almost surely, 211512300430 is an apocalyptic number.

11512300430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11512300430 is a deficient number, since it is larger than the sum of its proper divisors (10179656818).

11512300430 is a wasteful number, since it uses less digits than its factorization.

11512300430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 11512300430 its reverse (3400321511), we get a palindrome (14912621941).

The spelling of 11512300430 in words is "eleven billion, five hundred twelve million, three hundred thousand, four hundred thirty".

Divisors: 1 2 5 10 31 62 137 155 163 274 310 326 685 815 1370 1630 1663 3326 4247 5053 8315 8494 10106 16630 21235 22331 25265 42470 44662 50530 51553 103106 111655 223310 227831 257765 271069 455662 515530 542138 692261 1139155 1355345 1384522 2278310 2710690 3461305 6922610 7062761 8403139 14125522 16806278 35313805 37136453 42015695 70627610 74272906 84031390 185682265 371364530 1151230043 2302460086 5756150215 11512300430