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45274212681 = 31943107172633
BaseRepresentation
bin101010001010100011…
…011010100101001001
311022212020102022010220
4222022203122211021
51220210144301211
632444303300253
73161636313105
oct521243324511
9138766368126
1045274212681
11182231270a5
1289362aa689
134366980579
142296c4c905
15129ea56806
hexa8a8da949

45274212681 has 32 divisors (see below), whose sum is σ = 65628541440. Its totient is φ = 27668075904.

The previous prime is 45274212671. The next prime is 45274212701. The reversal of 45274212681 is 18621247254.

It is not a de Polignac number, because 45274212681 - 29 = 45274212169 is a prime.

It is a super-2 number, since 2×452742126812 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45274212671) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175941 + ... + 348573.

It is an arithmetic number, because the mean of its divisors is an integer number (2050891920).

Almost surely, 245274212681 is an apocalyptic number.

It is an amenable number.

45274212681 is a deficient number, since it is larger than the sum of its proper divisors (20354328759).

45274212681 is a wasteful number, since it uses less digits than its factorization.

45274212681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172805.

The product of its digits is 215040, while the sum is 42.

The spelling of 45274212681 in words is "forty-five billion, two hundred seventy-four million, two hundred twelve thousand, six hundred eighty-one".

Divisors: 1 3 19 43 57 107 129 321 817 2033 2451 4601 6099 13803 87419 172633 262257 517899 3280027 7423219 9840081 18471731 22269657 55415193 141041161 350962889 423123483 794284433 1052888667 2382853299 15091404227 45274212681