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869953140000 = 2532547690439
BaseRepresentation
bin11001010100011010011…
…11110111010100100000
310002011111112022110000200
430222031033313110200
5103223131000440000
61503352334545200
7116565151452420
oct14521517672440
93064445273020
10869953140000
11305a4396019a
12120729668200
1364061797bc9
143016aa60480
1517969748500
hexca8d3f7520

869953140000 has 360 divisors, whose sum is σ = 3533058809280. Its totient is φ = 198846144000.

The previous prime is 869953139987. The next prime is 869953140013. The reversal of 869953140000 is 41359968.

It is a happy number.

869953140000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (869953139987) and next prime (869953140013).

It is a tau number, because it is divible by the number of its divisors (360).

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

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 914781 + ... + 1605219.

It is an arithmetic number, because the mean of its divisors is an integer number (9814052248).

Almost surely, 2869953140000 is an apocalyptic number.

869953140000 is a gapful number since it is divisible by the number (80) 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 869953140000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1766529404640).

869953140000 is an abundant number, since it is smaller than the sum of its proper divisors (2663105669280).

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

869953140000 is a wasteful number, since it uses less digits than its factorization.

869953140000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690482 (or 690456 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

Adding to 869953140000 its reverse (41359968), we get a palindrome (869994499968).

The spelling of 869953140000 in words is "eight hundred sixty-nine billion, nine hundred fifty-three million, one hundred forty thousand".