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276087006720 = 29325717101997
BaseRepresentation
bin1000000010010000001…
…00010110011000000000
3222101121222102002211100
410001020010112120000
514010411233203340
6330455502414400
725642456556640
oct4011004263000
9871558362740
10276087006720
11a70a6a10538
1245610b91400
132005b876c45
14d5112b4520
1572ad157830
hex4048116600

276087006720 has 960 divisors, whose sum is σ = 1169670243456. Its totient is φ = 58746470400.

The previous prime is 276087006673. The next prime is 276087006781. The reversal of 276087006720 is 27600780672.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (960).

It is a super-3 number, since 3×2760870067203 (a number of 35 digits) contains 333 as substring.

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 95 ways as a sum of consecutive naturals, for example, 276917262 + ... + 276918258.

Almost surely, 2276087006720 is an apocalyptic number.

276087006720 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 276087006720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (584835121728).

276087006720 is an abundant number, since it is smaller than the sum of its proper divisors (893583236736).

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

276087006720 is a wasteful number, since it uses less digits than its factorization.

276087006720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151 (or 1132 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The spelling of 276087006720 in words is "two hundred seventy-six billion, eighty-seven million, six thousand, seven hundred twenty".