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18849898240152 = 2337937631196653
BaseRepresentation
bin1000100100100110101010…
…11111010001100010011000
32110202000212211002122000220
410102103111133101202120
54432314042422141102
6104031305042000040
73653601023246430
oct422232537214230
973660784078026
1018849898240152
116008219160351
1221452a0946020
13a696cb65a225
144924a8b352c0
1522a4e0b3e1bc
hex1124d57d1898

18849898240152 has 64 divisors (see below), whose sum is σ = 53857471514880. Its totient is φ = 5385623271552.

The previous prime is 18849898240099. The next prime is 18849898240169. The reversal of 18849898240152 is 25104289894881.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15153858 + ... + 16350510.

It is an arithmetic number, because the mean of its divisors is an integer number (841522992420).

Almost surely, 218849898240152 is an apocalyptic number.

18849898240152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18849898240152 is an abundant number, since it is smaller than the sum of its proper divisors (35007573274728).

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

18849898240152 is a wasteful number, since it uses less digits than its factorization.

18849898240152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290432 (or 1290428 counting only the distinct ones).

The product of its (nonzero) digits is 106168320, while the sum is 69.

The spelling of 18849898240152 in words is "eighteen trillion, eight hundred forty-nine billion, eight hundred ninety-eight million, two hundred forty thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 93763 187526 281289 375052 562578 656341 750104 1125156 1196653 1312682 1969023 2250312 2393306 2625364 3589959 3938046 4786612 5250728 7179918 7876092 8376571 9573224 14359836 15752184 16753142 25129713 28719672 33506284 50259426 67012568 100518852 201037704 112201775239 224403550478 336605325717 448807100956 673210651434 785412426673 897614201912 1346421302868 1570824853346 2356237280019 2692842605736 3141649706692 4712474560038 6283299413384 9424949120076 18849898240152