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2291587079040 = 273357313783199
BaseRepresentation
bin100001010110001101001…
…110111101101110000000
322010001222122101012202000
4201112031032331232000
5300021132243012130
64512423544024000
7324363443532150
oct41261516755600
98101878335660
102291587079040
1180394718a046
1231015ba62000
1313813243632c
147ccb055c760
153e921cc9260
hex2158d3bdb80

2291587079040 has 2048 divisors, whose sum is σ = 10001940480000. Its totient is φ = 484804362240.

The previous prime is 2291587079017. The next prime is 2291587079059. The reversal of 2291587079040 is 409707851922.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 11515512861 + ... + 11515513059.

It is an arithmetic number, because the mean of its divisors is an integer number (4883760000).

Almost surely, 22291587079040 is an apocalyptic number.

2291587079040 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 2291587079040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5000970240000).

2291587079040 is an abundant number, since it is smaller than the sum of its proper divisors (7710353400960).

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

2291587079040 is a wasteful number, since it uses less digits than its factorization.

2291587079040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The spelling of 2291587079040 in words is "two trillion, two hundred ninety-one billion, five hundred eighty-seven million, seventy-nine thousand, forty".