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2115255064 = 231365331147
BaseRepresentation
bin111111000010100…
…0011101100011000
312110102020002110011
41332011003230120
513313001130224
6545521131304
7103263241246
oct17605035430
95412202404
102115255064
1199600848a
124b0489b34
132792cc620
14160cdb796
15c5a7c394
hex7e143b18

2115255064 has 32 divisors (see below), whose sum is σ = 4277866320. Its totient is φ = 974745216.

The previous prime is 2115255059. The next prime is 2115255091. The reversal of 2115255064 is 4605525112.

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, 52339 + ... + 83485.

Almost surely, 22115255064 is an apocalyptic number.

It is an amenable number.

2115255064 is an abundant number, since it is smaller than the sum of its proper divisors (2162611256).

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

2115255064 is a wasteful number, since it uses less digits than its factorization.

2115255064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31819 (or 31815 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 2115255064 is about 45991.9021567928. The cubic root of 2115255064 is about 1283.6725306272.

The spelling of 2115255064 in words is "two billion, one hundred fifteen million, two hundred fifty-five thousand, sixty-four".

Divisors: 1 2 4 8 13 26 52 104 653 1306 2612 5224 8489 16978 31147 33956 62294 67912 124588 249176 404911 809822 1619644 3239288 20338991 40677982 81355964 162711928 264406883 528813766 1057627532 2115255064