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10031210000 = 24547473049
BaseRepresentation
bin10010101011110100…
…00001111000010000
3221220002111021012022
421111322001320100
5131020442210000
64335215351012
7503403610130
oct112572017020
927802437168
1010031210000
1142883a15a9
121b3b522468
13c3b2c7126
146b2368ac0
153da9c5585
hex255e81e10

10031210000 has 200 divisors, whose sum is σ = 28355923200. Its totient is φ = 3364992000.

The previous prime is 10031209987. The next prime is 10031210003. The reversal of 10031210000 is 1213001.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 10031210000.

It is not an unprimeable number, because it can be changed into a prime (10031210003) 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, 3288476 + ... + 3291524.

It is an arithmetic number, because the mean of its divisors is an integer number (141779616).

Almost surely, 210031210000 is an apocalyptic number.

10031210000 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 10031210000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14177961600).

10031210000 is an abundant number, since it is smaller than the sum of its proper divisors (18324713200).

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

10031210000 is an equidigital number, since it uses as much as digits as its factorization.

10031210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3131 (or 3110 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 10031210000 its reverse (1213001), we get a palindrome (10032423001).

The spelling of 10031210000 in words is "ten billion, thirty-one million, two hundred ten thousand".