Search a number
-
+
2721432271312 = 24536167378173
BaseRepresentation
bin100111100110100010000…
…000001111100111010000
3100122011111021221102211101
4213212202000033213100
5324041443130140222
65442113030154144
7400421425426426
oct47464200174720
910564437842741
102721432271312
1195a17562a0a7
1237b5221b2954
13169826046451
1495a0a38d116
154abcd91c927
hex279a200f9d0

2721432271312 has 80 divisors (see below), whose sum is σ = 5468514577488. Its totient is φ = 1311188336640.

The previous prime is 2721432271279. The next prime is 2721432271331. The reversal of 2721432271312 is 2131722341272.

It can be written as a sum of positive squares in 8 ways, for example, as 1030666816 + 2720401604496 = 32104^2 + 1649364^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34773858 + ... + 34852030.

Almost surely, 22721432271312 is an apocalyptic number.

It is an amenable number.

2721432271312 is an abundant number, since it is smaller than the sum of its proper divisors (2747082306176).

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

2721432271312 is a wasteful number, since it uses less digits than its factorization.

2721432271312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78968 (or 78962 counting only the distinct ones).

The product of its digits is 56448, while the sum is 37.

The spelling of 2721432271312 in words is "two trillion, seven hundred twenty-one billion, four hundred thirty-two million, two hundred seventy-one thousand, three hundred twelve".

Divisors: 1 2 4 8 16 53 61 106 122 212 244 424 488 673 848 976 1346 2692 3233 5384 6466 10768 12932 25864 35669 41053 51728 71338 78173 82106 142676 156346 164212 285352 312692 328424 570704 625384 656848 1250768 2175809 4143169 4351618 4768553 8286338 8703236 9537106 16572676 17406472 19074212 33145352 34812944 38148424 52610429 66290704 76296848 105220858 210441716 252733309 420883432 505466618 841766864 1010933236 2021866472 2788352737 3209236169 4043732944 5576705474 6418472338 11153410948 12836944676 22306821896 25673889352 44613643792 51347778704 170089516957 340179033914 680358067828 1360716135656 2721432271312