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172401036496384 = 291994313925903
BaseRepresentation
bin100111001100110000111110…
…100010100000111000000000
3211121102101012122200222210011
4213030300332202200320000
5140044104310320341014
61410355535351114304
751212364254241613
oct4714607642407000
9747371178628704
10172401036496384
114aa28961686563
1217404586372994
13752746a69a3c7
14308037cc1817a
1514de82eb7b7c4
hex9ccc3e8a0e00

172401036496384 has 80 divisors (see below), whose sum is σ = 346999662028800. Its totient is φ = 85568331847680.

The previous prime is 172401036496349. The next prime is 172401036496399. The reversal of 172401036496384 is 483694630104271.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 41950777 + ... + 45876679.

It is an arithmetic number, because the mean of its divisors is an integer number (4337495775360).

Almost surely, 2172401036496384 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 172401036496384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173499831014400).

172401036496384 is an abundant number, since it is smaller than the sum of its proper divisors (174598625532416).

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

172401036496384 is an equidigital number, since it uses as much as digits as its factorization.

172401036496384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3926551 (or 3926535 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 58.

The spelling of 172401036496384 in words is "one hundred seventy-two trillion, four hundred one billion, thirty-six million, four hundred ninety-six thousand, three hundred eighty-four".

Divisors: 1 2 4 8 16 32 64 128 199 256 398 431 512 796 862 1592 1724 3184 3448 6368 6896 12736 13792 25472 27584 50944 55168 85769 101888 110336 171538 220672 343076 686152 1372304 2744608 3925903 5489216 7851806 10978432 15703612 21956864 31407224 43913728 62814448 125628896 251257792 502515584 781254697 1005031168 1562509394 1692064193 2010062336 3125018788 3384128386 6250037576 6768256772 12500075152 13536513544 25000150304 27073027088 50000300608 54146054176 100000601216 108292108352 200001202432 216584216704 336720774407 400002404864 433168433408 673441548814 866336866816 1346883097628 2693766195256 5387532390512 10775064781024 21550129562048 43100259124096 86200518248192 172401036496384