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60880000000 = 21057761
BaseRepresentation
bin111000101100101110…
…110001010000000000
312211010211110102210211
4320230232301100000
51444140240000000
643545021403504
74253443314241
oct705456612000
9184124412724
1060880000000
112390119a096
12b970709594
135982b70451
142d376c4cc8
1518b4b2d7ba
hexe2cbb1400

60880000000 has 176 divisors, whose sum is σ = 152325195984. Its totient is φ = 24320000000.

The previous prime is 60879999967. The next prime is 60880000021. The reversal of 60880000000 is 8806.

It can be written as a sum of positive squares in 8 ways, for example, as 25692242944 + 35187757056 = 160288^2 + 187584^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79999620 + ... + 80000380.

Almost surely, 260880000000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60880000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76162597992).

60880000000 is an abundant number, since it is smaller than the sum of its proper divisors (91445195984).

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

60880000000 is an frugal number, since it uses more digits than its factorization.

60880000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816 (or 768 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 60880000000 its reverse (8806), we get a palindrome (60880008806).

The spelling of 60880000000 in words is "sixty billion, eight hundred eighty million", and thus it is an aban number.