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2070923517 = 3613218521
BaseRepresentation
bin111101101101111…
…1100100011111101
312100022210211000000
41323123330203331
513220124023032
6541255024513
7102214362615
oct17333744375
95308724000
102070923517
11972a89543
1249966b139
1327007a340
1415907ba45
15c1c21e7c
hex7b6fc8fd

2070923517 has 28 divisors (see below), whose sum is σ = 3343823644. Its totient is φ = 1274408640.

The previous prime is 2070923471. The next prime is 2070923521. The reversal of 2070923517 is 7153290702.

It can be written as a sum of positive squares in 2 ways, for example, as 93431556 + 1977491961 = 9666^2 + 44469^2 .

It is not a de Polignac number, because 2070923517 - 210 = 2070922493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2070923557) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 99784 + ... + 118737.

It is an arithmetic number, because the mean of its divisors is an integer number (119422273).

Almost surely, 22070923517 is an apocalyptic number.

2070923517 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2070923517 is a deficient number, since it is larger than the sum of its proper divisors (1272900127).

2070923517 is an equidigital number, since it uses as much as digits as its factorization.

2070923517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218552 (or 218537 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 2070923517 is about 45507.4006838448. The cubic root of 2070923517 is about 1274.6413994972.

The spelling of 2070923517 in words is "two billion, seventy million, nine hundred twenty-three thousand, five hundred seventeen".

Divisors: 1 3 9 13 27 39 81 117 243 351 729 1053 3159 9477 218521 655563 1966689 2840773 5900067 8522319 17700201 25566957 53100603 76700871 159301809 230102613 690307839 2070923517