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45305253440 = 265817117327
BaseRepresentation
bin101010001100011001…
…110100111001000000
311022221101211100001122
4222030121310321000
51220241121102230
632451332451412
73162464204666
oct521431647100
9138841740048
1045305253440
11182396a8517
128944779b68
13437022b195
14229b00cc36
1512a2638be5
hexa8c674e40

45305253440 has 56 divisors (see below), whose sum is σ = 107902564992. Its totient is φ = 18118837760.

The previous prime is 45305253439. The next prime is 45305253479. The reversal of 45305253440 is 4435250354.

It is a self number, because there is not a number n which added to its sum of digits gives 45305253440.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2606057 + ... + 2623383.

Almost surely, 245305253440 is an apocalyptic number.

45305253440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45305253440 is an abundant number, since it is smaller than the sum of its proper divisors (62597311552).

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

45305253440 is a wasteful number, since it uses less digits than its factorization.

45305253440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25515 (or 25505 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 35.

The spelling of 45305253440 in words is "forty-five billion, three hundred five million, two hundred fifty-three thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 8171 16342 17327 32684 34654 40855 65368 69308 81710 86635 130736 138616 163420 173270 261472 277232 326840 346540 522944 554464 653680 693080 1108928 1307360 1386160 2614720 2772320 5544640 141578917 283157834 566315668 707894585 1132631336 1415789170 2265262672 2831578340 4530525344 5663156680 9061050688 11326313360 22652626720 45305253440