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312020013232 = 2431891611497
BaseRepresentation
bin1001000101001011101…
…01111001000010110000
31002211101012200222002101
410202211311321002300
520103004110410412
6355201235430144
731354101231604
oct4424565710260
91084335628071
10312020013232
11110366188134
125057aa55354
132356717c885
141115d68d504
1581b2a84457
hex48a5d790b0

312020013232 has 20 divisors (see below), whose sum is σ = 604558720696. Its totient is φ = 156004859520.

The previous prime is 312020013223. The next prime is 312020013317. The reversal of 312020013232 is 232310020213.

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 3 ways as a sum of consecutive naturals, for example, 204508 + ... + 816004.

Almost surely, 2312020013232 is an apocalyptic number.

It is an amenable number.

312020013232 is a deficient number, since it is larger than the sum of its proper divisors (292538707464).

312020013232 is a wasteful number, since it uses less digits than its factorization.

312020013232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643396 (or 643390 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 312020013232 its reverse (232310020213), we get a palindrome (544330033445).

The spelling of 312020013232 in words is "three hundred twelve billion, twenty million, thirteen thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 31891 63782 127564 255128 510256 611497 1222994 2445988 4891976 9783952 19501250827 39002501654 78005003308 156010006616 312020013232