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397532989130 = 25159732488781
BaseRepresentation
bin1011100100011101101…
…00000000011011001010
31102000002202110020021212
411302032310000123022
523003121421123010
6502342451333122
740502144440334
oct5621664003312
91360082406255
10397532989130
11143658010642
1265064bb11a2
132b6444bc5b4
141535269c454
15a51a037505
hex5c8ed006ca

397532989130 has 16 divisors (see below), whose sum is σ = 715604466024. Its totient is φ = 159003176640.

The previous prime is 397532989057. The next prime is 397532989151. The reversal of 397532989130 is 31989235793.

It can be written as a sum of positive squares in 4 ways, for example, as 392581192969 + 4951796161 = 626563^2 + 70369^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 397532989130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1084661 + ... + 1404120.

Almost surely, 2397532989130 is an apocalyptic number.

397532989130 is a deficient number, since it is larger than the sum of its proper divisors (318071476894).

397532989130 is a wasteful number, since it uses less digits than its factorization.

397532989130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2504761.

The product of its (nonzero) digits is 11022480, while the sum is 59.

The spelling of 397532989130 in words is "three hundred ninety-seven billion, five hundred thirty-two million, nine hundred eighty-nine thousand, one hundred thirty".

Divisors: 1 2 5 10 15973 31946 79865 159730 2488781 4977562 12443905 24887810 39753298913 79506597826 198766494565 397532989130