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13112121103032 = 233778048339899
BaseRepresentation
bin1011111011001110011101…
…0100100001001010111000
31201102111200021010201000010
42332303213110201022320
53204312111000244112
643515343020541520
72522214404300610
oct276634724411270
951374607121003
1013112121103032
1141a5901591a16
1215792729b18a0
13741610751673
143348b6bc9a40
1517b122ab463c
hexbece75212b8

13112121103032 has 32 divisors (see below), whose sum is σ = 37463203152000. Its totient is φ = 3746320315104.

The previous prime is 13112121103013. The next prime is 13112121103061. The reversal of 13112121103032 is 23030112121131.

It is a super-2 number, since 2×131121211030322 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 39024169782 + ... + 39024170117.

It is an arithmetic number, because the mean of its divisors is an integer number (1170725098500).

Almost surely, 213112121103032 is an apocalyptic number.

13112121103032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13112121103032 is an abundant number, since it is smaller than the sum of its proper divisors (24351082048968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13112121103032 is a wasteful number, since it uses less digits than its factorization.

13112121103032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78048339915 (or 78048339911 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 13112121103032 its reverse (23030112121131), we get a palindrome (36142233224163).

The spelling of 13112121103032 in words is "thirteen trillion, one hundred twelve billion, one hundred twenty-one million, one hundred three thousand, thirty-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 78048339899 156096679798 234145019697 312193359596 468290039394 546338379293 624386719192 936580078788 1092676758586 1639015137879 1873160157576 2185353517172 3278030275758 4370707034344 6556060551516 13112121103032