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45169442080 = 2557193208963
BaseRepresentation
bin101010000100010011…
…101111110100100000
311022120221021101220021
4222010103233310200
51220001334121310
632430041523224
73156224631340
oct520423576440
9138527241807
1045169442080
1118179a77424
1289071a3514
13434b059529
142286d78d20
15129575d5da
hexa844efd20

45169442080 has 96 divisors (see below), whose sum is σ = 122589984384. Its totient is φ = 15406350336.

The previous prime is 45169442041. The next prime is 45169442081. The reversal of 45169442080 is 8024496154.

It is not an unprimeable number, because it can be changed into a prime (45169442081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111679 + ... + 320641.

It is an arithmetic number, because the mean of its divisors is an integer number (1276979004).

Almost surely, 245169442080 is an apocalyptic number.

45169442080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45169442080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61294992192).

45169442080 is an abundant number, since it is smaller than the sum of its proper divisors (77420542304).

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

45169442080 is a wasteful number, since it uses less digits than its factorization.

45169442080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209178 (or 209170 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 45169442080 in words is "forty-five billion, one hundred sixty-nine million, four hundred forty-two thousand, eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 193 224 280 386 560 772 965 1120 1351 1544 1930 2702 3088 3860 5404 6176 6755 7720 10808 13510 15440 21616 27020 30880 43232 54040 108080 208963 216160 417926 835852 1044815 1462741 1671704 2089630 2925482 3343408 4179260 5850964 6686816 7313705 8358520 11701928 14627410 16717040 23403856 29254820 33434080 40329859 46807712 58509640 80659718 117019280 161319436 201649295 234038560 282309013 322638872 403298590 564618026 645277744 806597180 1129236052 1290555488 1411545065 1613194360 2258472104 2823090130 3226388720 4516944208 5646180260 6452777440 9033888416 11292360520 22584721040 45169442080