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126730000285 = 5719200395143
BaseRepresentation
bin111011000000110110…
…0100101011110011101
3110010010000212001022021
41312001230211132131
54034020340002120
6134115143420141
712104326141330
oct1660154453635
9403100761267
10126730000285
1149822865a29
1220689754651
13bc48597665
1461c309c617
15346ac39aaa
hex1d81b2579d

126730000285 has 32 divisors (see below), whose sum is σ = 183041832960. Its totient is φ = 82284890688.

The previous prime is 126730000279. The next prime is 126730000321. The reversal of 126730000285 is 582000037621.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-126730000285 is a prime.

It is a super-2 number, since 2×1267300002852 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126730000285.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1284424 + ... + 1379566.

It is an arithmetic number, because the mean of its divisors is an integer number (5720057280).

Almost surely, 2126730000285 is an apocalyptic number.

It is an amenable number.

126730000285 is a deficient number, since it is larger than the sum of its proper divisors (56311832675).

126730000285 is a wasteful number, since it uses less digits than its factorization.

126730000285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97177.

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 126730000285 in words is "one hundred twenty-six billion, seven hundred thirty million, two hundred eighty-five", and thus it is an aban number.

Divisors: 1 5 7 19 35 95 133 665 2003 10015 14021 38057 70105 95143 190285 266399 475715 666001 1331995 1807717 3330005 9038585 12654019 63270095 190571429 952857145 1334000003 3620857151 6670000015 18104285755 25346000057 126730000285