Search a number
-
+
1967868000 = 253353719137
BaseRepresentation
bin111010101001011…
…0100100001100000
312002010220001102000
41311102310201200
513012233234000
6523134124000
766523413330
oct16522644140
95063801360
101967868000
1191a8a039a
1246b050600
13254906b47
141494d30c0
15b7b67000
hex754b4860

1967868000 has 768 divisors, whose sum is σ = 8680089600. Its totient is φ = 423014400.

The previous prime is 1967867947. The next prime is 1967868013. The reversal of 1967868000 is 8687691.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 14363932 + ... + 14364068.

It is an arithmetic number, because the mean of its divisors is an integer number (11302200).

Almost surely, 21967868000 is an apocalyptic number.

1967868000 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 1967868000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4340044800).

1967868000 is an abundant number, since it is smaller than the sum of its proper divisors (6712221600).

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

1967868000 is a wasteful number, since it uses less digits than its factorization.

1967868000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 1967868000 is about 44360.6582457925. The cubic root of 1967868000 is about 1253.1372926616.

It can be divided in two parts, 19678 and 68000, that added together give a palindrome (87678).

The spelling of 1967868000 in words is "one billion, nine hundred sixty-seven million, eight hundred sixty-eight thousand".