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2070150640 = 24525876883
BaseRepresentation
bin111101101100011…
…1111110111110000
312100021100112210221
41323120333313300
513214424310030
6541230302424
7102204663415
oct17330776760
95307315727
102070150640
119726008a8
12499357a14
1326cb6960c
14158d1a10c
15c1b1ce7a
hex7b63fdf0

2070150640 has 20 divisors (see below), whose sum is σ = 4813100424. Its totient is φ = 828060224.

The previous prime is 2070150631. The next prime is 2070150647. The reversal of 2070150640 is 460510702.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2070150647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12938362 + ... + 12938521.

Almost surely, 22070150640 is an apocalyptic number.

2070150640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2070150640 is an abundant number, since it is smaller than the sum of its proper divisors (2742949784).

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

2070150640 is a wasteful number, since it uses less digits than its factorization.

2070150640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25876896 (or 25876890 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 2070150640 is about 45498.9081187670. The cubic root of 2070150640 is about 1274.4828126653.

The spelling of 2070150640 in words is "two billion, seventy million, one hundred fifty thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 25876883 51753766 103507532 129384415 207015064 258768830 414030128 517537660 1035075320 2070150640