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10807678889280 = 263257133137157229
BaseRepresentation
bin1001110101000101101111…
…0111000110110101000000
31102021012111201112222121200
42131101123313012311000
52404033111243424110
634552551254421200
72163554233543530
oct235213367066500
942235451488550
1010807678889280
113497568a829a9
121266725961800
1360520cc68360
142951472514c0
1513b1ec4516c0
hex9d45bdc6d40

10807678889280 has 2688 divisors, whose sum is σ = 49026946375680. Its totient is φ = 2124109578240.

The previous prime is 10807678889263. The next prime is 10807678889327. The reversal of 10807678889280 is 8298887670801.

10807678889280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 10807678889199 and 10807678889208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 47195104206 + ... + 47195104434.

It is an arithmetic number, because the mean of its divisors is an integer number (18239191360).

Almost surely, 210807678889280 is an apocalyptic number.

10807678889280 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 10807678889280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24513473187840).

10807678889280 is an abundant number, since it is smaller than the sum of its proper divisors (38219267486400).

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

10807678889280 is a wasteful number, since it uses less digits than its factorization.

10807678889280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 173408256, while the sum is 72.

The spelling of 10807678889280 in words is "ten trillion, eight hundred seven billion, six hundred seventy-eight million, eight hundred eighty-nine thousand, two hundred eighty".