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45109963280 = 245896335669
BaseRepresentation
bin101010000000110000…
…110110101000010000
311022102210100120022202
4222000300312220100
51214341122311110
632420115022332
73154603234634
oct520060665020
9138383316282
1045109963280
1118149442098
1288ab29a9a8
13433b932885
14227d0d4dc4
1512904100a5
hexa80c36a10

45109963280 has 40 divisors (see below), whose sum is σ = 106059115800. Its totient is φ = 17841241088.

The previous prime is 45109963271. The next prime is 45109963303. The reversal of 45109963280 is 8236990154.

It can be written as a sum of positive squares in 4 ways, for example, as 2999824 + 45106963456 = 1732^2 + 212384^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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, 3160715 + ... + 3174954.

It is an arithmetic number, because the mean of its divisors is an integer number (2651477895).

Almost surely, 245109963280 is an apocalyptic number.

45109963280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45109963280 is an abundant number, since it is smaller than the sum of its proper divisors (60949152520).

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

45109963280 is a wasteful number, since it uses less digits than its factorization.

45109963280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6335771 (or 6335765 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 45109963280 in words is "forty-five billion, one hundred nine million, nine hundred sixty-three thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 89 178 356 445 712 890 1424 1780 3560 7120 6335669 12671338 25342676 31678345 50685352 63356690 101370704 126713380 253426760 506853520 563874541 1127749082 2255498164 2819372705 4510996328 5638745410 9021992656 11277490820 22554981640 45109963280