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1144031231000 = 23537376765927
BaseRepresentation
bin10000101001011101100…
…100110011110000011000
311001100221111121001120002
4100221131210303300120
5122220433443343000
62233321035352132
7145440106005260
oct20513544636030
94040844531502
101144031231000
114011a98945a9
121658798b2648
1383b60095608
143d52b1d87a0
151eb5b32b8d5
hex10a5d933c18

1144031231000 has 256 divisors, whose sum is σ = 3189100861440. Its totient is φ = 375936422400.

The previous prime is 1144031230957. The next prime is 1144031231033. The reversal of 1144031231000 is 1321304411.

It is a super-2 number, since 2×11440312310002 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17320037 + ... + 17385963.

It is an arithmetic number, because the mean of its divisors is an integer number (12457425240).

Almost surely, 21144031231000 is an apocalyptic number.

1144031231000 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 1144031231000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1594550430720).

1144031231000 is an abundant number, since it is smaller than the sum of its proper divisors (2045069630440).

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

1144031231000 is a wasteful number, since it uses less digits than its factorization.

1144031231000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66059 (or 66045 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1144031231000 its reverse (1321304411), we get a palindrome (1145352535411).

The spelling of 1144031231000 in words is "one trillion, one hundred forty-four billion, thirty-one million, two hundred thirty-one thousand".