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2100679245 = 33572317563
BaseRepresentation
bin111110100110101…
…1101001001001101
312102101210120012000
41331031131021031
513300233213440
6544240502513
7103025323200
oct17515351115
95371716160
102100679245
11988862455
124a761aa39
13276298092
1415cdc5937
15c464d730
hex7d35d24d

2100679245 has 48 divisors (see below), whose sum is σ = 4344275520. Its totient is φ = 960307488.

The previous prime is 2100679237. The next prime is 2100679261. The reversal of 2100679245 is 5429760012.

It is not a de Polignac number, because 2100679245 - 23 = 2100679237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 152167 + ... + 165396.

It is an arithmetic number, because the mean of its divisors is an integer number (90505740).

Almost surely, 22100679245 is an apocalyptic number.

It is an amenable number.

2100679245 is an abundant number, since it is smaller than the sum of its proper divisors (2243596275).

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

2100679245 is a wasteful number, since it uses less digits than its factorization.

2100679245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317591 (or 317578 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 2100679245 is about 45833.1675209122. The cubic root of 2100679245 is about 1280.7172178811.

The spelling of 2100679245 in words is "two billion, one hundred million, six hundred seventy-nine thousand, two hundred forty-five".

Divisors: 1 3 5 7 9 15 21 27 35 45 49 63 105 135 147 189 245 315 441 735 945 1323 2205 6615 317563 952689 1587815 2222941 2858067 4763445 6668823 8574201 11114705 14290335 15560587 20006469 33344115 42871005 46681761 60019407 77802935 100032345 140045283 233408805 300097035 420135849 700226415 2100679245