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45351452020 = 22572237691889
BaseRepresentation
bin101010001111001010…
…000011110101110100
311100001121202110121011
4222033022003311310
51220334432431040
632500103002004
73163564660510
oct521712036564
9140047673534
1045351452020
1118262792166
128958139304
134379985214
1422a31d7140
1512a67123ea
hexa8f283d74

45351452020 has 96 divisors (see below), whose sum is σ = 109531699200. Its totient is φ = 15451029504.

The previous prime is 45351452011. The next prime is 45351452087. The reversal of 45351452020 is 2025415354.

45351452020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 24007236 + ... + 24009124.

It is an arithmetic number, because the mean of its divisors is an integer number (1140955200).

Almost surely, 245351452020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45351452020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54765849600).

45351452020 is an abundant number, since it is smaller than the sum of its proper divisors (64180247180).

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

45351452020 is a wasteful number, since it uses less digits than its factorization.

45351452020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2897 (or 2895 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 45351452020 its reverse (2025415354), we get a palindrome (47376867374).

The spelling of 45351452020 in words is "forty-five billion, three hundred fifty-one million, four hundred fifty-two thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 223 446 769 892 1115 1538 1561 1889 2230 3076 3122 3778 3845 4460 5383 6244 7556 7690 7805 9445 10766 13223 15380 15610 18890 21532 26446 26915 31220 37780 52892 53830 66115 107660 132230 171487 264460 342974 421247 685948 842494 857435 1200409 1452641 1684988 1714870 2106235 2400818 2905282 2948729 3429740 4212470 4801636 5810564 5897458 6002045 7263205 8424940 10168487 11794916 12004090 14526410 14743645 20336974 24008180 29052820 29487290 40673948 50842435 58974580 101684870 203369740 323938943 647877886 1295755772 1619694715 2267572601 3239389430 4535145202 6478778860 9070290404 11337863005 22675726010 45351452020