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2750137645 = 54911120219
BaseRepresentation
bin1010001111101011…
…1100010100101101
321002122212110121211
42203322330110231
521113013401040
61132520554421
7125102533003
oct24372742455
97078773554
102750137645
111191421132
12649022a11
1334a9bc6a8
141c1364a73
1511168a8ea
hexa3ebc52d

2750137645 has 8 divisors (see below), whose sum is σ = 3306889440. Its totient is φ = 2195627280.

The previous prime is 2750137639. The next prime is 2750137661. The reversal of 2750137645 is 5467310572.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2750137645 - 29 = 2750137133 is a prime.

It is a super-3 number, since 3×27501376453 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2750137598 and 2750137607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 557655 + ... + 562564.

It is an arithmetic number, because the mean of its divisors is an integer number (413361180).

Almost surely, 22750137645 is an apocalyptic number.

It is an amenable number.

2750137645 is a deficient number, since it is larger than the sum of its proper divisors (556751795).

2750137645 is a wasteful number, since it uses less digits than its factorization.

2750137645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120715.

The product of its (nonzero) digits is 176400, while the sum is 40.

The square root of 2750137645 is about 52441.7547856667. The cubic root of 2750137645 is about 1401.0430398894.

The spelling of 2750137645 in words is "two billion, seven hundred fifty million, one hundred thirty-seven thousand, six hundred forty-five".

Divisors: 1 5 491 2455 1120219 5601095 550027529 2750137645