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2078049853440 = 213325113161271
BaseRepresentation
bin11110001111010101011…
…011000110000000000000
321100122210212102012210200
4132033111123012000000
5233021321230302230
64230350512125200
7303064004212131
oct36172533060000
97318725365720
102078049853440
11731328a709a0
122968a6836800
13120c616585c2
1472814629c88
15390c5185160
hex1e3d56c6000

2078049853440 has 1344 divisors, whose sum is σ = 8275225780224. Its totient is φ = 477757440000.

The previous prime is 2078049853433. The next prime is 2078049853469. The reversal of 2078049853440 is 443589408702.

2078049853440 is a `hidden beast` number, since 2 + 0 + 7 + 80 + 49 + 85 + 3 + 440 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7668080505 + ... + 7668080775.

Almost surely, 22078049853440 is an apocalyptic number.

2078049853440 is a gapful number since it is divisible by the number (20) 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 2078049853440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4137612890112).

2078049853440 is an abundant number, since it is smaller than the sum of its proper divisors (6197175926784).

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

2078049853440 is a wasteful number, since it uses less digits than its factorization.

2078049853440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 54.

The spelling of 2078049853440 in words is "two trillion, seventy-eight billion, forty-nine million, eight hundred fifty-three thousand, four hundred forty".