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320401162650231 = 32138291330294473
BaseRepresentation
bin100100011011001110011010…
…1011111000100001001110111
31120000110001101220201012210100
41020312130311133010021313
5313443423040114301411
63053234132342125143
7124326135332001555
oct11066346537041167
91500401356635710
10320401162650231
11930a9408525213
122bb27a851207b3
13109a1913b71bb0
1459196db422bd5
1527095821ec456
hex12367357c4277

320401162650231 has 24 divisors (see below), whose sum is σ = 498461923670256. Its totient is φ = 197146164447360.

The previous prime is 320401162650181. The next prime is 320401162650269. The reversal of 320401162650231 is 132056261104023.

320401162650231 is a `hidden beast` number, since 3 + 2 + 0 + 4 + 0 + 1 + 1 + 626 + 5 + 0 + 23 + 1 = 666.

It is not a de Polignac number, because 320401162650231 - 217 = 320401162519159 is a prime.

It is a super-2 number, since 2×3204011626502312 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320401162650271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164177190 + ... + 166117283.

It is an arithmetic number, because the mean of its divisors is an integer number (20769246819594).

Almost surely, 2320401162650231 is an apocalyptic number.

320401162650231 is a deficient number, since it is larger than the sum of its proper divisors (178060761020025).

320401162650231 is a wasteful number, since it uses less digits than its factorization.

320401162650231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330302783 (or 330302780 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 320401162650231 in words is "three hundred twenty trillion, four hundred one billion, one hundred sixty-two million, six hundred fifty thousand, two hundred thirty-one".

Divisors: 1 3 9 13 39 117 8291 24873 74619 107783 323349 970047 330294473 990883419 2972650257 4293828149 12881484447 38644453341 2738471475643 8215414426929 24646243280787 35600129183359 106800387550077 320401162650231