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71653628421354 = 2371706038771937
BaseRepresentation
bin10000010010101100101001…
…000100011010010011101010
3100101201000112120020022202210
4100102230221010122103222
533342433112333440404
6412221120015305550
721043542465216540
oct2022545104322352
9311630476208683
1071653628421354
11209161512682a1
128052b5321b2b6
1330c9ba6321135
14139a0a870dd90
15843d1e297689
hex412b2911a4ea

71653628421354 has 16 divisors (see below), whose sum is σ = 163779722106048. Its totient is φ = 20472465263232.

The previous prime is 71653628421233. The next prime is 71653628421439. The reversal of 71653628421354 is 45312482635617.

It is a junction number, because it is equal to n+sod(n) for n = 71653628421294 and 71653628421303.

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, 853019385927 + ... + 853019386010.

It is an arithmetic number, because the mean of its divisors is an integer number (10236232631628).

Almost surely, 271653628421354 is an apocalyptic number.

71653628421354 is an abundant number, since it is smaller than the sum of its proper divisors (92126093684694).

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

71653628421354 is a wasteful number, since it uses less digits than its factorization.

71653628421354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706038771949.

The product of its digits is 29030400, while the sum is 57.

The spelling of 71653628421354 in words is "seventy-one trillion, six hundred fifty-three billion, six hundred twenty-eight million, four hundred twenty-one thousand, three hundred fifty-four".

Divisors: 1 2 3 6 7 14 21 42 1706038771937 3412077543874 5118116315811 10236232631622 11942271403559 23884542807118 35826814210677 71653628421354