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6161437585580 = 2252928364358379
BaseRepresentation
bin101100110101001001001…
…0011000111000010101100
3210211000202011211121120112
41121222102103013002230
51301422111010214310
621034305250435152
71204102111231034
oct131522223070254
923730664747515
106161437585580
111a66061985972
12836164b92ab8
133590373a7a74
141743025da8c4
15aa416c41705
hex59a924c70ac

6161437585580 has 96 divisors (see below), whose sum is σ = 13453610284800. Its totient is φ = 2367453005568.

The previous prime is 6161437585453. The next prime is 6161437585591. The reversal of 6161437585580 is 855857341616.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105512831 + ... + 105571209.

It is an arithmetic number, because the mean of its divisors is an integer number (140141773800).

Almost surely, 26161437585580 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6161437585580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6726805142400).

6161437585580 is an abundant number, since it is smaller than the sum of its proper divisors (7292172699220).

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

6161437585580 is a wasteful number, since it uses less digits than its factorization.

6161437585580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59343 (or 59341 counting only the distinct ones).

The product of its (nonzero) digits is 24192000, while the sum is 59.

The spelling of 6161437585580 in words is "six trillion, one hundred sixty-one billion, four hundred thirty-seven million, five hundred eighty-five thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 29 58 116 145 283 290 566 580 643 1132 1286 1415 2572 2830 3215 5660 6430 8207 12860 16414 18647 32828 37294 41035 58379 74588 82070 93235 116758 164140 181969 186470 233516 291895 363938 372940 583790 727876 909845 1167580 1692991 1819690 3385982 3639380 5277101 6771964 8464955 10554202 16521257 16929910 21108404 26385505 33042514 33859820 37537697 52771010 66085028 75075394 82606285 105542020 150150788 165212570 187688485 330425140 375376970 479116453 750753940 958232906 1088593213 1916465812 2177186426 2395582265 4354372852 4791164530 5442966065 9582329060 10623168251 10885932130 21246336502 21771864260 42492673004 53115841255 106231682510 212463365020 308071879279 616143758558 1232287517116 1540359396395 3080718792790 6161437585580