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18482399376 = 2437257713619
BaseRepresentation
bin10001001101101000…
…110000100010010000
31202201001220011120020
4101031220300202100
5300322443240001
612253553543440
71223003542200
oct211550604220
952631804506
1018482399376
117924918231
1236b9874b80
1319871623bc
14c74920400
157328e6736
hex44da30890

18482399376 has 120 divisors (see below), whose sum is σ = 55641840480. Its totient is φ = 5271146496.

The previous prime is 18482399357. The next prime is 18482399431. The reversal of 18482399376 is 67399328481.

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, 1350295 + ... + 1363913.

It is an arithmetic number, because the mean of its divisors is an integer number (463682004).

Almost surely, 218482399376 is an apocalyptic number.

18482399376 is a gapful number since it is divisible by the number (16) 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 18482399376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27820920240).

18482399376 is an abundant number, since it is smaller than the sum of its proper divisors (37159441104).

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

18482399376 is a wasteful number, since it uses less digits than its factorization.

18482399376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14221 (or 14208 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 60.

The spelling of 18482399376 in words is "eighteen billion, four hundred eighty-two million, three hundred ninety-nine thousand, three hundred seventy-six".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 49 56 84 98 112 147 168 196 294 336 392 577 588 784 1154 1176 1731 2308 2352 3462 4039 4616 6924 8078 9232 12117 13619 13848 16156 24234 27238 27696 28273 32312 40857 48468 54476 56546 64624 81714 84819 95333 96936 108952 113092 163428 169638 190666 193872 217904 226184 285999 326856 339276 381332 452368 571998 653712 667331 678552 762664 1143996 1334662 1357104 1525328 2001993 2287992 2669324 4003986 4575984 5338648 7858163 8007972 10677296 15716326 16015944 23574489 31432652 32031888 47148978 55007141 62865304 94297956 110014282 125730608 165021423 188595912 220028564 330042846 377191824 385049987 440057128 660085692 770099974 880114256 1155149961 1320171384 1540199948 2310299922 2640342768 3080399896 4620599844 6160799792 9241199688 18482399376