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2070957945 = 357314713537
BaseRepresentation
bin111101101110000…
…0100111101111001
312100022212120020010
41323130010331321
513220131123240
6541255452133
7102214565160
oct17334047571
95308776203
102070957945
119730023a1
12499687049
1327008cc04
1415908a3d7
15c1c2c280
hex7b704f79

2070957945 has 64 divisors (see below), whose sum is σ = 3992518656. Its totient is φ = 896624640.

The previous prime is 2070957923. The next prime is 2070957971. The reversal of 2070957945 is 5497590702.

It is not a de Polignac number, because 2070957945 - 221 = 2068860793 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2070957894 and 2070957903.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 146217 + ... + 159753.

It is an arithmetic number, because the mean of its divisors is an integer number (62383104).

Almost surely, 22070957945 is an apocalyptic number.

It is an amenable number.

2070957945 is a deficient number, since it is larger than the sum of its proper divisors (1921560711).

2070957945 is a wasteful number, since it uses less digits than its factorization.

2070957945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13630.

The product of its (nonzero) digits is 793800, while the sum is 48.

The square root of 2070957945 is about 45507.7789504168. The cubic root of 2070957945 is about 1274.6484628694.

The spelling of 2070957945 in words is "two billion, seventy million, nine hundred fifty-seven thousand, nine hundred forty-five".

Divisors: 1 3 5 7 15 21 31 35 47 93 105 141 155 217 235 329 465 651 705 987 1085 1457 1645 3255 4371 4935 7285 10199 13537 21855 30597 40611 50995 67685 94759 152985 203055 284277 419647 473795 636239 1258941 1421385 1908717 2098235 2937529 3181195 4453673 6294705 8812587 9543585 13361019 14687645 19723409 22268365 44062935 59170227 66805095 98617045 138063863 295851135 414191589 690319315 2070957945