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450145640245 = 57372231558757
BaseRepresentation
bin1101000110011101100…
…01010101111100110101
31121000220102102211110211
412203032301111330311
524333344240441440
6542443303145421
744344012544620
oct6431661257465
91530812384424
10450145640245
111639a652a094
12732a8a45271
13335aa611712
1417b03da4db7
15ba98e5aeea
hex68cec55f35

450145640245 has 32 divisors (see below), whose sum is σ = 636871108608. Its totient is φ = 298981870848.

The previous prime is 450145640173. The next prime is 450145640261. The reversal of 450145640245 is 542046541054.

It is not a de Polignac number, because 450145640245 - 211 = 450145638197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 450145640198 and 450145640207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 490594 + ... + 1068163.

It is an arithmetic number, because the mean of its divisors is an integer number (19902222144).

Almost surely, 2450145640245 is an apocalyptic number.

It is an amenable number.

450145640245 is a deficient number, since it is larger than the sum of its proper divisors (186725468363).

450145640245 is a wasteful number, since it uses less digits than its factorization.

450145640245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559029.

The product of its (nonzero) digits is 384000, while the sum is 40.

The spelling of 450145640245 in words is "four hundred fifty billion, one hundred forty-five million, six hundred forty thousand, two hundred forty-five".

Divisors: 1 5 7 35 37 185 223 259 1115 1295 1561 7805 8251 41255 57757 288785 1558757 7793785 10911299 54556495 57674009 288370045 347602811 403718063 1738014055 2018590315 2433219677 12166098385 12861304007 64306520035 90029128049 450145640245