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18295190416 = 24531071631237
BaseRepresentation
bin10001000010011110…
…100111001110010000
31202020000121222011001
4101002132213032100
5244432032043131
612223225231344
71215241360366
oct210236471620
952200558131
1018295190416
117839181388
123667032554
131957436179
14c57b0b636
15721267261
hex4427a7390

18295190416 has 80 divisors (see below), whose sum is σ = 36706561344. Its totient is φ = 8829430272.

The previous prime is 18295190411. The next prime is 18295190429. The reversal of 18295190416 is 61409159281.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18295190411) 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, 14789350 + ... + 14790586.

Almost surely, 218295190416 is an apocalyptic number.

18295190416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18295190416 is an abundant number, since it is smaller than the sum of its proper divisors (18411370928).

18295190416 is a wasteful number, since it uses less digits than its factorization.

18295190416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568 (or 1562 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 46.

The spelling of 18295190416 in words is "eighteen billion, two hundred ninety-five million, one hundred ninety thousand, four hundred sixteen".

Divisors: 1 2 4 8 16 53 106 107 163 212 214 326 424 428 652 848 856 1237 1304 1712 2474 2608 4948 5671 8639 9896 11342 17278 17441 19792 22684 34556 34882 45368 65561 69112 69764 90736 131122 132359 138224 139528 201631 262244 264718 279056 403262 524488 529436 806524 924373 1048976 1058872 1613048 1848746 2117744 3226096 3697492 7015027 7394984 10686443 14030054 14789968 21372886 21574517 28060108 42745772 43149034 56120216 85491544 86298068 112240432 170983088 172596136 345192272 1143449401 2286898802 4573797604 9147595208 18295190416