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2742461750072 = 23111771139185753
BaseRepresentation
bin100111111010000111011…
…101010101101100111000
3100201011202212121122110002
4213322013131111230320
5324413030202000242
65455511453012132
7402064521152222
oct47720735255470
910634685548402
102742461750072
11968087186810
12383610a84048
1316b7c7aacbc5
1496a43297412
154b50ec3e432
hex27e87755b38

2742461750072 has 128 divisors (see below), whose sum is σ = 6066577036800. Its totient is φ = 1148393164800.

The previous prime is 2742461750069. The next prime is 2742461750087. The reversal of 2742461750072 is 2700571642472.

It is a junction number, because it is equal to n+sod(n) for n = 2742461749999 and 2742461750026.

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, 14671148 + ... + 14856900.

It is an arithmetic number, because the mean of its divisors is an integer number (47395133100).

Almost surely, 22742461750072 is an apocalyptic number.

2742461750072 is a gapful number since it is divisible by the number (22) 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 2742461750072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3033288518400).

2742461750072 is an abundant number, since it is smaller than the sum of its proper divisors (3324115286728).

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

2742461750072 is a wasteful number, since it uses less digits than its factorization.

2742461750072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185997 (or 185993 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 47.

The spelling of 2742461750072 in words is "two trillion, seven hundred forty-two billion, four hundred sixty-one million, seven hundred fifty thousand, seventy-two".

Divisors: 1 2 4 8 11 17 22 34 44 68 71 88 136 139 142 187 278 284 374 556 568 748 781 1112 1207 1496 1529 1562 2363 2414 3058 3124 4726 4828 6116 6248 9452 9656 9869 12232 13277 18904 19738 25993 26554 39476 51986 53108 78952 103972 106216 108559 167773 185753 207944 217118 335546 371506 434236 671092 743012 868472 1342184 1486024 1845503 2043283 3157801 3691006 4086566 6315602 7382012 8173132 12631204 13188463 14764024 16346264 25262408 25819667 26376926 34735811 51639334 52753852 69471622 103278668 105507704 138943244 145073093 206557336 224203871 277886488 284016337 290146186 438934339 448407742 568032674 580292372 877868678 896815484 1136065348 1160584744 1755737356 1793630968 1833196357 2272130696 2466242581 3511474712 3666392714 4828277729 4932485162 7332785428 9656555458 9864970324 14665570856 19313110916 19729940648 20165159927 31164338069 38626221832 40330319854 62328676138 80660639708 124657352276 161321279416 249314704552 342807718759 685615437518 1371230875036 2742461750072