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1078394283456 = 26375398315401
BaseRepresentation
bin11111011000101010100…
…11101110010111000000
310211002112011002122110220
433230111103232113000
5120132022414032311
62143224004023040
7140624421111210
oct17542523562700
93732464078426
101078394283456
11386387506406
12155000091a80
137a8cc845909
143a2a1c40240
151d0b8ca7206
hexfb154ee5c0

1078394283456 has 224 divisors, whose sum is σ = 3325980331008. Its totient is φ = 301972070400.

The previous prime is 1078394283427. The next prime is 1078394283457. The reversal of 1078394283456 is 6543824938701.

It is a tau number, because it is divible by the number of its divisors (224).

It is a self number, because there is not a number n which added to its sum of digits gives 1078394283456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078394283457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70013356 + ... + 70028756.

It is a 1-persistent number, because it is pandigital, but 2⋅1078394283456 = 2156788566912 is not.

Almost surely, 21078394283456 is an apocalyptic number.

1078394283456 is a gapful number since it is divisible by the number (16) 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 1078394283456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1662990165504).

1078394283456 is an abundant number, since it is smaller than the sum of its proper divisors (2247586047552).

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

1078394283456 is a wasteful number, since it uses less digits than its factorization.

1078394283456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16459 (or 16449 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 60.

The spelling of 1078394283456 in words is "one trillion, seventy-eight billion, three hundred ninety-four million, two hundred eighty-three thousand, four hundred fifty-six".