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10015002000 = 2436536869
BaseRepresentation
bin10010101001111000…
…01100110110010000
3221211221222211000000
421110330030312100
5131002320031000
64333440130000
7503116053363
oct112474146620
927757884000
1010015002000
11427a231263
121b36006900
13c37b409b3
146b014a0da
153d9373000
hex254f0cd90

10015002000 has 280 divisors, whose sum is σ = 36313088760. Its totient is φ = 2670278400.

The previous prime is 10015001999. The next prime is 10015002061. The reversal of 10015002000 is 20051001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2698594704 + 7316407296 = 51948^2 + 85536^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1454566 + ... + 1461434.

Almost surely, 210015002000 is an apocalyptic number.

10015002000 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 10015002000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18156544380).

10015002000 is an abundant number, since it is smaller than the sum of its proper divisors (26298086760).

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

10015002000 is an frugal number, since it uses more digits than its factorization.

10015002000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6910 (or 6879 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 9.

Adding to 10015002000 its reverse (20051001), we get a palindrome (10035053001).

The spelling of 10015002000 in words is "ten billion, fifteen million, two thousand".