Search a number
-
+
210030023000 = 23537225117077
BaseRepresentation
bin1100001110011011000…
…0111101000101011000
3202002010100112122102202
43003212300331011120
511420120141214000
6240253024145332
721113511511400
oct3034660750530
9662110478382
10210030023000
1181089521a06
1234856768248
1316a622bbc25
14a24621b800
1556e3cb2dd5
hex30e6c3d158

210030023000 has 192 divisors, whose sum is σ = 574021637280. Its totient is φ = 71719200000.

The previous prime is 210030022999. The next prime is 210030023009. The reversal of 210030023000 is 320030012.

It is a super-2 number, since 2×2100300230002 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210030023009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12290462 + ... + 12307538.

Almost surely, 2210030023000 is an apocalyptic number.

210030023000 is a gapful number since it is divisible by the number (20) 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 210030023000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287010818640).

210030023000 is an abundant number, since it is smaller than the sum of its proper divisors (363991614280).

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

210030023000 is a wasteful number, since it uses less digits than its factorization.

210030023000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17363 (or 17342 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 210030023000 its reverse (320030012), we get a palindrome (210350053012).

The spelling of 210030023000 in words is "two hundred ten billion, thirty million, twenty-three thousand".