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22030813840 = 2457472113967
BaseRepresentation
bin10100100001001000…
…111000101010010000
32002212100212022010011
4110201020320222100
5330104342020330
614042032444304
71406641553650
oct244110705220
962770768104
1022030813840
119385902572
12432a0a9694
132101350529
1410cdcc2360
1588e1b882a
hex521238a90

22030813840 has 160 divisors (see below), whose sum is σ = 60083011584. Its totient is φ = 7355819520.

The previous prime is 22030813807. The next prime is 22030813841. The reversal of 22030813840 is 4831803022.

It is not an unprimeable number, because it can be changed into a prime (22030813841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5551537 + ... + 5555503.

Almost surely, 222030813840 is an apocalyptic number.

22030813840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22030813840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30041505792).

22030813840 is an abundant number, since it is smaller than the sum of its proper divisors (38052197744).

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

22030813840 is a wasteful number, since it uses less digits than its factorization.

22030813840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4245 (or 4239 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The spelling of 22030813840 in words is "twenty-two billion, thirty million, eight hundred thirteen thousand, eight hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 47 56 70 80 94 112 140 188 211 235 280 329 376 422 470 560 658 752 844 940 1055 1316 1477 1645 1688 1880 2110 2632 2954 3290 3376 3760 3967 4220 5264 5908 6580 7385 7934 8440 9917 11816 13160 14770 15868 16880 19834 19835 23632 26320 27769 29540 31736 39668 39670 49585 55538 59080 63472 69419 79336 79340 99170 111076 118160 138838 138845 158672 158680 186449 198340 222152 277676 277690 317360 347095 372898 396680 444304 555352 555380 694190 745796 793360 837037 932245 1110704 1110760 1305143 1388380 1491592 1674074 1864490 2221520 2610286 2776760 2983184 3348148 3728980 4185185 5220572 5553520 5859259 6525715 6696296 7457960 8370370 10441144 11718518 13051430 13392592 14915920 16740740 20882288 23437036 26102860 29296295 33481480 39340739 46874072 52205720 58592590 66962960 78681478 93748144 104411440 117185180 157362956 196703695 234370360 275385173 314725912 393407390 468740720 550770346 629451824 786814780 1101540692 1376925865 1573629560 2203081384 2753851730 3147259120 4406162768 5507703460 11015406920 22030813840