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1000031000000 = 26564124391
BaseRepresentation
bin11101000110101100111…
…11100001010111000000
310112121020212202101111012
432203112133201113000
5112341030414000000
62043224034540052
7132151462151024
oct16432637412700
93477225671435
101000031000000
1135612447972a
12141990437628
13733c1830a36
143658a5d6384
151b02e33b735
hexe8d67e15c0

1000031000000 has 196 divisors, whose sum is σ = 2541118410768. Its totient is φ = 390240000000.

The previous prime is 1000030999943. The next prime is 1000031000029. The reversal of 1000031000000 is 1300001.

1000031000000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10000310000002 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 40987805 + ... + 41012195.

Almost surely, 21000031000000 is an apocalyptic number.

1000031000000 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 1000031000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1270559205384).

1000031000000 is an abundant number, since it is smaller than the sum of its proper divisors (1541087410768).

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

1000031000000 is an frugal number, since it uses more digits than its factorization.

1000031000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24474 (or 24439 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 5.

Adding to 1000031000000 its reverse (1300001), we get a palindrome (1000032300001).

The spelling of 1000031000000 in words is "one trillion, thirty-one million", and thus it is an aban number and an uban number.