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1564208701440 = 213357211219113
BaseRepresentation
bin10110110000110010000…
…110101010000000000000
312112112111101122010110220
4112300302012222000000
5201111444411421230
63154330525023040
7221003356404600
oct26606206520000
95475441563426
101564208701440
11553417040100
122131a23b4a80
13b4672aa7c78
14559cb07cc00
152aa4e349d10
hex16c321aa000

1564208701440 has 2016 divisors, whose sum is σ = 6796197898560. Its totient is φ = 305198530560.

The previous prime is 1564208701387. The next prime is 1564208701453. The reversal of 1564208701440 is 441078024651.

It is a super-2 number, since 2×15642087014402 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 1564208701392 and 1564208701401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 13842554824 + ... + 13842554936.

It is an arithmetic number, because the mean of its divisors is an integer number (3371129910).

Almost surely, 21564208701440 is an apocalyptic number.

1564208701440 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 1564208701440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3398098949280).

1564208701440 is an abundant number, since it is smaller than the sum of its proper divisors (5231989197120).

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

1564208701440 is a wasteful number, since it uses less digits than its factorization.

1564208701440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 1564208701440 in words is "one trillion, five hundred sixty-four billion, two hundred eight million, seven hundred one thousand, four hundred forty".