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1973215073 = 31146113763
BaseRepresentation
bin111010110011100…
…1101111101100001
312002111221201012202
41311213031331201
513020120340243
6523444502545
766620023424
oct16547157541
95074851182
101973215073
11922912765
124709aaa55
13255a598ab
1414a0c59bb
15b83714b8
hex759cdf61

1973215073 has 8 divisors (see below), whose sum is σ = 1983998016. Its totient is φ = 1962461200.

The previous prime is 1973215063. The next prime is 1973215087. The reversal of 1973215073 is 3705123791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1973215073 - 216 = 1973149537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1973215043) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 136490 + ... + 150252.

It is an arithmetic number, because the mean of its divisors is an integer number (247999752).

Almost surely, 21973215073 is an apocalyptic number.

It is an amenable number.

1973215073 is a deficient number, since it is larger than the sum of its proper divisors (10782943).

1973215073 is a wasteful number, since it uses less digits than its factorization.

1973215073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14535.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 1973215073 is about 44420.8855494800. The cubic root of 1973215073 is about 1254.2712706141.

The spelling of 1973215073 in words is "one billion, nine hundred seventy-three million, two hundred fifteen thousand, seventy-three".

Divisors: 1 311 461 13763 143371 4280293 6344743 1973215073