Search a number
-
+
10120012000 = 255373189131
BaseRepresentation
bin10010110110011001…
…10010000011100000
3222010021120212122021
421123030302003200
5131211210341000
64352110551224
7505532453110
oct113314620340
928107525567
1010120012000
11432353488a
121b65208514
13c538199a7
146c0083040
153e36b711a
hex25b3320e0

10120012000 has 384 divisors, whose sum is σ = 29889699840. Its totient is φ = 3294720000.

The previous prime is 10120011989. The next prime is 10120012027. The reversal of 10120012000 is 21002101.

It is a Harshad number since it is a multiple of its sum of digits (7).

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, 77251935 + ... + 77252065.

It is an arithmetic number, because the mean of its divisors is an integer number (77837760).

Almost surely, 210120012000 is an apocalyptic number.

10120012000 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 10120012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14944849920).

10120012000 is an abundant number, since it is smaller than the sum of its proper divisors (19769687840).

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

10120012000 is a wasteful number, since it uses less digits than its factorization.

10120012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 10120012000 its reverse (21002101), we get a palindrome (10141014101).

The spelling of 10120012000 in words is "ten billion, one hundred twenty million, twelve thousand".