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45072988416 = 283244232
BaseRepresentation
bin101001111110100011…
…110011100100000000
311022100012210001100100
4221332203303210000
51214302141112131
632412314322400
73153644036331
oct517643634400
9138305701310
1045072988416
111812a588355
12889aa29400
134334087c61
14227822c288
15128c0597e6
hexa7e8f3900

45072988416 has 81 divisors (see below), whose sum is σ = 129985925979. Its totient is φ = 15020932608.

The previous prime is 45072988397. The next prime is 45072988459. The reversal of 45072988416 is 61488927054.

It is a happy number.

The square root of 45072988416 is 212304.

It is a perfect power (a square), and thus also a powerful number.

45072988416 is a `hidden beast` number, since 4 + 507 + 2 + 98 + 8 + 41 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10188381 + ... + 10192803.

Almost surely, 245072988416 is an apocalyptic number.

45072988416 is the 212304-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45072988416

45072988416 is an abundant number, since it is smaller than the sum of its proper divisors (84912937563).

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

45072988416 is an frugal number, since it uses more digits than its factorization.

45072988416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8868 (or 4428 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 45072988416 in words is "forty-five billion, seventy-two million, nine hundred eighty-eight thousand, four hundred sixteen".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 576 768 1152 2304 4423 8846 13269 17692 26538 35384 39807 53076 70768 79614 106152 141536 159228 212304 283072 318456 424608 566144 636912 849216 1132288 1273824 1698432 2547648 3396864 5095296 10190592 19562929 39125858 58688787 78251716 117377574 156503432 176066361 234755148 313006864 352132722 469510296 626013728 704265444 939020592 1252027456 1408530888 1878041184 2504054912 2817061776 3756082368 5008109824 5634123552 7512164736 11268247104 15024329472 22536494208 45072988416