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60021000000 = 2635561319
BaseRepresentation
bin110111111001100001…
…111100011101000000
312201220222002201100000
4313321201330131000
51440410334000000
643323454200000
74223243040123
oct677141743500
9181828081300
1060021000000
1123500320735
12b770ab3000
135876c00820
142c9559c3ba
151864500000
hexdf987c740

60021000000 has 1176 divisors, whose sum is σ = 252806139040. Its totient is φ = 13996800000.

The previous prime is 60020999977. The next prime is 60021000029. The reversal of 60021000000 is 12006.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 3158999991 + ... + 3159000009.

Almost surely, 260021000000 is an apocalyptic number.

60021000000 is a gapful number since it is divisible by the number (60) 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 60021000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126403069520).

60021000000 is an abundant number, since it is smaller than the sum of its proper divisors (192785139040).

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

60021000000 is an frugal number, since it uses more digits than its factorization.

60021000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 60021000000 its reverse (12006), we get a palindrome (60021012006).

The spelling of 60021000000 in words is "sixty billion, twenty-one million", and thus it is an aban number and an uban number.