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13120033020000 = 25354439498103
BaseRepresentation
bin1011111011101011111011…
…1010000101100001100000
31201110021002122210201200220
42332322332322011201200
53204424311423120000
643523132052443040
72522614435421124
oct276727672054140
951407078721626
1013120033020000
1141a91a1668275
12157a900619480
137422a196423a
143350278c5584
1517b4374b11a0
hexbeebee85860

13120033020000 has 240 divisors, whose sum is σ = 43134451557120. Its totient is φ = 3490698816000.

The previous prime is 13120033019971. The next prime is 13120033020001. The reversal of 13120033020000 is 2033002131.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120033020001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 26090949 + ... + 26589051.

It is an arithmetic number, because the mean of its divisors is an integer number (179726881488).

Almost surely, 213120033020000 is an apocalyptic number.

13120033020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13120033020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21567225778560).

13120033020000 is an abundant number, since it is smaller than the sum of its proper divisors (30014418537120).

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

13120033020000 is an equidigital number, since it uses as much as digits as its factorization.

13120033020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498575 (or 498552 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 13120033020000 its reverse (2033002131), we get a palindrome (13122066022131).

The spelling of 13120033020000 in words is "thirteen trillion, one hundred twenty billion, thirty-three million, twenty thousand".