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6431642653152 = 25380982813693
BaseRepresentation
bin101110110010111101111…
…0001101001000111100000
3211202212012020100020202210
41131211323301221013200
51320334001004400102
621402353355042120
71232446046346243
oct135457361510740
924685166306683
106431642653152
11205a70a672472
1287a5b4140340
13378669481332
1418341663525a
15b247d7d236c
hex5d97bc691e0

6431642653152 has 48 divisors (see below), whose sum is σ = 16903931219280. Its totient is φ = 2141230820352.

The previous prime is 6431642653133. The next prime is 6431642653207. The reversal of 6431642653152 is 2513562461346.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

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 7 ways as a sum of consecutive naturals, for example, 41329183 + ... + 41484510.

It is an arithmetic number, because the mean of its divisors is an integer number (352165233735).

Almost surely, 26431642653152 is an apocalyptic number.

It is an amenable number.

6431642653152 is an abundant number, since it is smaller than the sum of its proper divisors (10472288566128).

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

6431642653152 is a wasteful number, since it uses less digits than its factorization.

6431642653152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82814515 (or 82814507 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 48.

The spelling of 6431642653152 in words is "six trillion, four hundred thirty-one billion, six hundred forty-two million, six hundred fifty-three thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 809 1618 2427 3236 4854 6472 9708 12944 19416 25888 38832 77664 82813693 165627386 248441079 331254772 496882158 662509544 993764316 1325019088 1987528632 2650038176 3975057264 7950114528 66996277637 133992555274 200988832911 267985110548 401977665822 535970221096 803955331644 1071940442192 1607910663288 2143880884384 3215821326576 6431642653152