Search a number
-
+
131334440412000 = 25353731471073099
BaseRepresentation
bin11101110111001010101110…
…101010101110001101100000
3122020000110010222001221111210
4131313022232222232031200
5114203240413221141000
61143154113051110120
736443412603102450
oct3567125652561540
9566013128057453
10131334440412000
1138935694804731
12128915b2442340
135838a27986927
1424608997c9d60
15102b49bd65350
hex7772aeaae360

131334440412000 has 768 divisors, whose sum is σ = 518377970073600. Its totient is φ = 28432804608000.

The previous prime is 131334440411963. The next prime is 131334440412041. The reversal of 131334440412000 is 214044433131.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 121851451 + ... + 122924549.

It is an arithmetic number, because the mean of its divisors is an integer number (674971315200).

Almost surely, 2131334440412000 is an apocalyptic number.

131334440412000 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 131334440412000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259188985036800).

131334440412000 is an abundant number, since it is smaller than the sum of its proper divisors (387043529661600).

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

131334440412000 is a wasteful number, since it uses less digits than its factorization.

131334440412000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073212 (or 1073194 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 131334440412000 its reverse (214044433131), we get a palindrome (131548484845131).

The spelling of 131334440412000 in words is "one hundred thirty-one trillion, three hundred thirty-four billion, four hundred forty million, four hundred twelve thousand".