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45072632637 = 321943613172
BaseRepresentation
bin101001111110100010…
…011100101100111101
311022100012002222022100
4221332202130230331
51214302043221022
632412302535313
73153641025144
oct517642345475
9138305088270
1045072632637
111812a36501a
12889a897539
134333c92036
14227817875b
15128bed91ac
hexa7e89cb3d

45072632637 has 72 divisors (see below), whose sum is σ = 71500388960. Its totient is φ = 27262811520.

The previous prime is 45072632629. The next prime is 45072632641. The reversal of 45072632637 is 73623627054.

45072632637 is a `hidden beast` number, since 4 + 5 + 0 + 7 + 2 + 6 + 3 + 2 + 637 = 666.

It is not a de Polignac number, because 45072632637 - 23 = 45072632629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45072632592 and 45072632601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45072632237) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 142184803 + ... + 142185119.

Almost surely, 245072632637 is an apocalyptic number.

It is an amenable number.

45072632637 is a deficient number, since it is larger than the sum of its proper divisors (26427756323).

45072632637 is a wasteful number, since it uses less digits than its factorization.

45072632637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763 (or 443 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 45.

The spelling of 45072632637 in words is "forty-five billion, seventy-two million, six hundred thirty-two thousand, six hundred thirty-seven".

Divisors: 1 3 9 19 43 57 61 129 171 183 317 387 549 817 951 1159 2451 2623 2853 3477 6023 7353 7869 10431 13631 18069 19337 23607 40893 49837 54207 58011 100489 122679 149511 174033 258989 301467 367403 448533 776967 831491 904401 1102209 1909291 2330901 2494473 3306627 4321027 5727873 6129829 7483419 12963081 15798329 17183619 18389487 38889243 47394987 55168461 82099513 116466751 142184961 246298539 263582647 349400253 738895617 790747941 1048200759 2372243823 5008070293 15024210879 45072632637