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103278343680 = 29355166021
BaseRepresentation
bin110000000101111011…
…1100111011000000000
3100212120122102110100000
41200023313213120000
53143003223444210
6115240113200000
710314222302541
oct1401367473000
9325518373300
10103278343680
113a888a29246
1218023860000
13997ba7b785
144dda6004c8
152a46e60ac0
hex180bde7600

103278343680 has 240 divisors, whose sum is σ = 370931665104. Its totient is φ = 27540725760.

The previous prime is 103278343669. The next prime is 103278343697. The reversal of 103278343680 is 86343872301.

103278343680 is a `hidden beast` number, since 10 + 3 + 278 + 3 + 4 + 368 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 539070 + ... + 705090.

Almost surely, 2103278343680 is an apocalyptic number.

103278343680 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 103278343680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185465832552).

103278343680 is an abundant number, since it is smaller than the sum of its proper divisors (267653321424).

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

103278343680 is an frugal number, since it uses more digits than its factorization.

103278343680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166059 (or 166031 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 103278343680 in words is "one hundred three billion, two hundred seventy-eight million, three hundred forty-three thousand, six hundred eighty".