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11231542130 = 251123154213
BaseRepresentation
bin10100111010111001…
…11011101101110010
31001222202010110022212
422131130323231302
5141000233322010
65054254532122
7545220350534
oct123534735562
931882113285
1011231542130
114843a04926
122215507042
13109cba6823
14787943854
1545b079505
hex29d73bb72

11231542130 has 8 divisors (see below), whose sum is σ = 20216775852. Its totient is φ = 4492616848.

The previous prime is 11231542121. The next prime is 11231542159. The reversal of 11231542130 is 3124513211.

It can be written as a sum of positive squares in 2 ways, for example, as 10178993881 + 1052548249 = 100891^2 + 32443^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×112315421302 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11231542096 and 11231542105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561577097 + ... + 561577116.

Almost surely, 211231542130 is an apocalyptic number.

11231542130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11231542130 is a deficient number, since it is larger than the sum of its proper divisors (8985233722).

11231542130 is a wasteful number, since it uses less digits than its factorization.

11231542130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123154220.

The product of its (nonzero) digits is 720, while the sum is 23.

The spelling of 11231542130 in words is "eleven billion, two hundred thirty-one million, five hundred forty-two thousand, one hundred thirty".

Divisors: 1 2 5 10 1123154213 2246308426 5615771065 11231542130