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131080242144784 = 24732392092
BaseRepresentation
bin11101110011011101111111…
…010001010010011000010000
3122012010011000110012000110011
4131303131333101102120100
5114140104313442113114
61142441233144044304
736416143411346542
oct3563357721223020
9565104013160404
10131080242144784
1138847900488159
121285028ba63694
13581aa76ba796a
1424524635b3692
151024a706b01c4
hex77377f452610

131080242144784 has 45 divisors (see below), whose sum is σ = 257501207548263. Its totient is φ = 64640662534656.

The previous prime is 131080242144781. The next prime is 131080242144827. The reversal of 131080242144784 is 487441242080131.

The square root of 131080242144784 is 11449028.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 48122246480400 + 82957995664384 = 6937020^2 + 9108128^2 .

It is not an unprimeable number, because it can be changed into a prime (131080242144781) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3343096572 + ... + 3343135780.

Almost surely, 2131080242144784 is an apocalyptic number.

131080242144784 is the 11449028-th square number.

It is an amenable number.

131080242144784 is a deficient number, since it is larger than the sum of its proper divisors (126420965403479).

131080242144784 is an frugal number, since it uses more digits than its factorization.

131080242144784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78572 (or 39284 counting only the distinct ones).

The product of its (nonzero) digits is 1376256, while the sum is 49.

The spelling of 131080242144784 in words is "one hundred thirty-one trillion, eighty billion, two hundred forty-two million, one hundred forty-four thousand, seven hundred eighty-four".

Divisors: 1 2 4 8 16 73 146 292 584 1168 5329 10658 21316 39209 42632 78418 85264 156836 313672 627344 2862257 5724514 11449028 22898056 45796112 208944761 417889522 835779044 1537345681 1671558088 3074691362 3343116176 6149382724 12298765448 24597530896 112226234713 224452469426 448904938852 897809877704 1795619755408 8192515134049 16385030268098 32770060536196 65540121072392 131080242144784