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20231020040706 = 23229349111101903
BaseRepresentation
bin1001001100110011001101…
…10000110101001000000010
32122122001210120102112022200
410212121212300311020002
510122431112112300311
6111010000255214030
74155433351664226
oct446314660651002
978561716375280
1020231020040706
11649aa22433a12
122328aa7817316
13b39a14100c87
144dd288030786
152513c6773556
hex126666c35202

20231020040706 has 48 divisors (see below), whose sum is σ = 45358383058560. Its totient is φ = 6509267180640.

The previous prime is 20231020040687. The next prime is 20231020040761. The reversal of 20231020040706 is 60704002013202.

20231020040706 is a `hidden beast` number, since 2 + 0 + 231 + 0 + 20 + 0 + 407 + 0 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 20231020040706.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3728650 + ... + 7373253.

It is an arithmetic number, because the mean of its divisors is an integer number (944966313720).

Almost surely, 220231020040706 is an apocalyptic number.

20231020040706 is an abundant number, since it is smaller than the sum of its proper divisors (25127363017854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20231020040706 is a wasteful number, since it uses less digits than its factorization.

20231020040706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11105431 (or 11105428 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

Adding to 20231020040706 its reverse (60704002013202), we get a palindrome (80935022053908).

The spelling of 20231020040706 in words is "twenty trillion, two hundred thirty-one billion, twenty million, forty thousand, seven hundred six".

Divisors: 1 2 3 6 9 18 29 58 87 174 261 522 3491 6982 10473 20946 31419 62838 101239 202478 303717 607434 911151 1822302 11101903 22203806 33305709 66611418 99917127 199834254 321955187 643910374 965865561 1931731122 2897596683 5795193366 38756743373 77513486746 116270230119 232540460238 348810690357 697621380714 1123945557817 2247891115634 3371836673451 6743673346902 10115510020353 20231020040706