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126987452306 = 211131104740193
BaseRepresentation
bin111011001000100001…
…0101011111110010010
3110010202222021222002022
41312101002223332102
54040032241433211
6134200501451442
712113603351321
oct1662102537622
9403688258068
10126987452306
11499451194a0
122073ba10b82
13bc89a18c30
1462093580b8
153483641bdb
hex1d910abf92

126987452306 has 32 divisors (see below), whose sum is σ = 223807909248. Its totient is φ = 53275299840.

The previous prime is 126987452279. The next prime is 126987452353. The reversal of 126987452306 is 603254789621.

It is a super-2 number, since 2×1269874523062 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3139346 + ... + 3179538.

It is an arithmetic number, because the mean of its divisors is an integer number (6993997164).

It is a 1-persistent number, because it is pandigital, but 2⋅126987452306 = 253974904612 is not.

Almost surely, 2126987452306 is an apocalyptic number.

126987452306 is a deficient number, since it is larger than the sum of its proper divisors (96820456942).

126987452306 is a wasteful number, since it uses less digits than its factorization.

126987452306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51266.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 126987452306 in words is "one hundred twenty-six billion, nine hundred eighty-seven million, four hundred fifty-two thousand, three hundred six".

Divisors: 1 2 11 13 22 26 143 286 11047 22094 40193 80386 121517 143611 243034 287222 442123 522509 884246 1045018 1579721 3159442 5747599 11495198 444012071 888024142 4884132781 5772156923 9768265562 11544313846 63493726153 126987452306