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80423780760 = 23325239713017
BaseRepresentation
bin100101011100110100…
…0011000000110011000
321200120212112100220200
41022321220120012120
52304201441441020
6100540212422200
75544655600011
oct1127150300630
9250525470820
1080423780760
1131120144914
1213705917960
137778b8166b
143c6d170008
15215a7cd590
hex12b9a18198

80423780760 has 96 divisors (see below), whose sum is σ = 272741545440. Its totient is φ = 20513889792.

The previous prime is 80423780747. The next prime is 80423780777. The reversal of 80423780760 is 6708732408.

It is a happy number.

80423780760 is a `hidden beast` number, since 80 + 423 + 7 + 80 + 76 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4848229 + ... + 4864788.

It is an arithmetic number, because the mean of its divisors is an integer number (2841057765).

Almost surely, 280423780760 is an apocalyptic number.

It is an amenable number.

80423780760 is an abundant number, since it is smaller than the sum of its proper divisors (192317764680).

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

80423780760 is a wasteful number, since it uses less digits than its factorization.

80423780760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9713057 (or 9713050 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 80423780760 in words is "eighty billion, four hundred twenty-three million, seven hundred eighty thousand, seven hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 23 24 30 36 40 45 46 60 69 72 90 92 115 120 138 180 184 207 230 276 345 360 414 460 552 690 828 920 1035 1380 1656 2070 2760 4140 8280 9713017 19426034 29139051 38852068 48565085 58278102 77704136 87417153 97130170 116556204 145695255 174834306 194260340 223399391 233112408 291390510 349668612 388520680 437085765 446798782 582781020 670198173 699337224 874171530 893597564 1116996955 1165562040 1340396346 1748343060 1787195128 2010594519 2233993910 2680792692 3350990865 3496686120 4021189038 4467987820 5361585384 6701981730 8042378076 8935975640 10052972595 13403963460 16084756152 20105945190 26807926920 40211890380 80423780760