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69800000000 = 2958349
BaseRepresentation
bin100000100000001100…
…1110111101000000000
320200011111000101110012
41001000121313220000
52120422300000000
652022104124052
75020465132163
oct1010031675000
9220144011405
1069800000000
112766930a115
121163ba66628
136774b90363
143542233ada
151c37ca6735
hex1040677a00

69800000000 has 180 divisors, whose sum is σ = 174829012050. Its totient is φ = 27840000000.

The previous prime is 69799999999. The next prime is 69800000059. The reversal of 69800000000 is 896.

It can be written as a sum of positive squares in 9 ways, for example, as 69603102976 + 196897024 = 263824^2 + 14032^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 199999826 + ... + 200000174.

Almost surely, 269800000000 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 69800000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87414506025).

69800000000 is an abundant number, since it is smaller than the sum of its proper divisors (105029012050).

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

69800000000 is an frugal number, since it uses more digits than its factorization.

69800000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 69800000000 its reverse (896), we get a palindrome (69800000896).

The spelling of 69800000000 in words is "sixty-nine billion, eight hundred million", and thus it is an aban number.