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20234552030040 = 23353122324391909
BaseRepresentation
bin1001001100111001110010…
…10010010011001101011000
32122122101220201111011211110
410212130321102103031120
510123010330304430130
6111011342550100320
74155620030256225
oct446347122231530
978571821434743
1020234552030040
1164a147511a867
12232971264a6a0
13b3a157a8abaa
144dd50115894c
1525153189dab0
hex126739493358

20234552030040 has 128 divisors (see below), whose sum is σ = 62942835916800. Its totient is φ = 5198403432960.

The previous prime is 20234552030039. The next prime is 20234552030081. The reversal of 20234552030040 is 4003025543202.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11366395 + ... + 13025514.

It is an arithmetic number, because the mean of its divisors is an integer number (491740905600).

Almost surely, 220234552030040 is an apocalyptic number.

20234552030040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20234552030040 is an abundant number, since it is smaller than the sum of its proper divisors (42708283886760).

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

20234552030040 is a wasteful number, since it uses less digits than its factorization.

20234552030040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24392177 (or 24392173 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 20234552030040 its reverse (4003025543202), we get a palindrome (24237577573242).

The spelling of 20234552030040 in words is "twenty trillion, two hundred thirty-four billion, five hundred fifty-two million, thirty thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 31 40 60 62 93 120 124 155 186 223 248 310 372 446 465 620 669 744 892 930 1115 1240 1338 1784 1860 2230 2676 3345 3720 4460 5352 6690 6913 8920 13380 13826 20739 26760 27652 34565 41478 55304 69130 82956 103695 138260 165912 207390 276520 414780 829560 24391909 48783818 73175727 97567636 121959545 146351454 195135272 243919090 292702908 365878635 487838180 585405816 731757270 756149179 975676360 1463514540 1512298358 2268447537 2927029080 3024596716 3780745895 4536895074 5439395707 6049193432 7561491790 9073790148 10878791414 11342237685 15122983580 16318187121 18147580296 21757582828 22684475370 27196978535 30245967160 32636374242 43515165656 45368950740 54393957070 65272748484 81590935605 90737901480 108787914140 130545496968 163181871210 168621266917 217575828280 326363742420 337242533834 505863800751 652727484840 674485067668 843106334585 1011727601502 1348970135336 1686212669170 2023455203004 2529319003755 3372425338340 4046910406008 5058638007510 6744850676680 10117276015020 20234552030040