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80153741640 = 23357317301013
BaseRepresentation
bin100101010100110001…
…0010000100101001000
321122220001101221212210
41022221202100211020
52303123324213030
6100453324505120
75535166363650
oct1125142204510
9248801357783
1080153741640
1130aa1774495
121364b3ab1a0
137734c43abb
143c45359360
152141c3bbb0
hex12a9890948

80153741640 has 128 divisors (see below), whose sum is σ = 275680661760. Its totient is φ = 18263000064.

The previous prime is 80153741593. The next prime is 80153741651. The reversal of 80153741640 is 4614735108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115774 + ... + 416786.

It is an arithmetic number, because the mean of its divisors is an integer number (2153755170).

Almost surely, 280153741640 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 80153741640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137840330880).

80153741640 is an abundant number, since it is smaller than the sum of its proper divisors (195526920120).

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

80153741640 is a wasteful number, since it uses less digits than its factorization.

80153741640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301351 (or 301347 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 80153741640 in words is "eighty billion, one hundred fifty-three million, seven hundred forty-one thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 317 420 634 840 951 1268 1585 1902 2219 2536 3170 3804 4438 4755 6340 6657 7608 8876 9510 11095 12680 13314 17752 19020 22190 26628 33285 38040 44380 53256 66570 88760 133140 266280 301013 602026 903039 1204052 1505065 1806078 2107091 2408104 3010130 3612156 4214182 4515195 6020260 6321273 7224312 8428364 9030390 10535455 12040520 12642546 16856728 18060780 21070910 25285092 31606365 36121560 42141820 50570184 63212730 84283640 95421121 126425460 190842242 252850920 286263363 381684484 477105605 572526726 667947847 763368968 954211210 1145053452 1335895694 1431316815 1908422420 2003843541 2290106904 2671791388 2862633630 3339739235 3816844840 4007687082 5343582776 5725267260 6679478470 8015374164 10019217705 11450534520 13358956940 16030748328 20038435410 26717913880 40076870820 80153741640