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74355234486 = 231319233376473
BaseRepresentation
bin100010100111111101…
…0101101011010110110
321002220221111021102120
41011033322231122312
52204234420000421
654054110420410
75241410031201
oct1051772553266
9232827437376
1074355234486
1129596656215
12124b1501706
13701c835990
1438551da938
151e02b558c6
hex114fead6b6

74355234486 has 128 divisors (see below), whose sum is σ = 176457415680. Its totient is φ = 20667322368.

The previous prime is 74355234469. The next prime is 74355234493. The reversal of 74355234486 is 68443255347.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11483746 + ... + 11490218.

It is an arithmetic number, because the mean of its divisors is an integer number (1378573560).

Almost surely, 274355234486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74355234486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88228707840).

74355234486 is an abundant number, since it is smaller than the sum of its proper divisors (102102181194).

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

74355234486 is a wasteful number, since it uses less digits than its factorization.

74355234486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6870.

The product of its digits is 9676800, while the sum is 51.

The spelling of 74355234486 in words is "seventy-four billion, three hundred fifty-five million, two hundred thirty-four thousand, four hundred eighty-six".

Divisors: 1 2 3 6 13 19 23 26 38 39 46 57 69 78 114 138 247 299 337 437 494 598 674 741 874 897 1011 1311 1482 1794 2022 2622 4381 5681 6403 6473 7751 8762 11362 12806 12946 13143 15502 17043 19209 19419 23253 26286 34086 38418 38838 46506 83239 84149 100763 122987 147269 148879 166478 168298 201526 245974 249717 252447 294538 297758 302289 368961 441807 446637 499434 504894 604578 737922 883614 893274 1598831 1914497 1935427 2181401 2828701 3197662 3828994 3870854 4362802 4796493 5657402 5743491 5806281 6544203 8486103 9592986 11486982 11612562 13088406 16972206 28358213 36773113 41446619 50172223 56716426 73546226 82893238 85074639 100344446 110319339 124339857 150516669 170149278 220638678 248679714 301033338 538806047 652238899 953272237 1077612094 1304477798 1616418141 1906544474 1956716697 2859816711 3232836282 3913433394 5719633422 12392539081 24785078162 37177617243 74355234486