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161848850702748 = 2231121128872012827
BaseRepresentation
bin100100110011001101011111…
…010000001110000110011100
3210020001121011200111000220120
4210303031133100032012130
5132203212421234441443
61332120200252114540
746043123254021656
oct4463153720160634
9706047150430816
10161848850702748
114762a791915980
121619b484765a50
136c403868580b1
142bd7751b556d6
1513aa0d78ed083
hex93335f40e19c

161848850702748 has 96 divisors (see below), whose sum is σ = 414074982709248. Its totient is φ = 48795733022400.

The previous prime is 161848850702711. The next prime is 161848850702779. The reversal of 161848850702748 is 847207058848161.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79402311 + ... + 81415137.

It is an arithmetic number, because the mean of its divisors is an integer number (4313281069888).

Almost surely, 2161848850702748 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 161848850702748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207037491354624).

161848850702748 is an abundant number, since it is smaller than the sum of its proper divisors (252226132006500).

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

161848850702748 is a wasteful number, since it uses less digits than its factorization.

161848850702748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015943 (or 2015941 counting only the distinct ones).

The product of its (nonzero) digits is 192675840, while the sum is 69.

The spelling of 161848850702748 in words is "one hundred sixty-one trillion, eight hundred forty-eight billion, eight hundred fifty million, seven hundred two thousand, seven hundred forty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 211 422 633 844 1266 2321 2532 2887 4642 5774 6963 8661 9284 11548 13926 17322 27852 31757 34644 63514 95271 127028 190542 381084 609157 1218314 1827471 2012827 2436628 3654942 4025654 6038481 6700727 7309884 8051308 12076962 13401454 20102181 22141097 24153924 26802908 40204362 44282194 66423291 80408724 88564388 132846582 265693164 424706497 849412994 1274119491 1698825988 2548238982 4671771467 5096477964 5811031549 9343542934 11622063098 14015314401 17433094647 18687085868 23244126196 28030628802 34866189294 56061257604 63921347039 69732378588 127842694078 191764041117 255685388156 383528082234 767056164468 1226127656839 2452255313678 3678382970517 4904510627356 7356765941034 13487404225229 14713531882068 26974808450458 40462212675687 53949616900916 80924425351374 161848850702748