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121148698412 = 2277954768851
BaseRepresentation
bin111000011010100000…
…1100110111100101100
3102120201001122112111002
41300311001212330230
53441103031322122
6131353245015432
711516114642240
oct1606501467454
9376631575432
10121148698412
1147419311255
121b590554578
13b569188b81
145c13b20420
153240c5a992
hex1c35066f2c

121148698412 has 24 divisors (see below), whose sum is σ = 245364456960. Its totient is φ = 51263643600.

The previous prime is 121148698397. The next prime is 121148698427. The reversal of 121148698412 is 214896841121.

It is an interprime number because it is at equal distance from previous prime (121148698397) and next prime (121148698427).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27382214 + ... + 27386637.

It is an arithmetic number, because the mean of its divisors is an integer number (10223519040).

Almost surely, 2121148698412 is an apocalyptic number.

It is an amenable number.

121148698412 is an abundant number, since it is smaller than the sum of its proper divisors (124215758548).

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

121148698412 is a wasteful number, since it uses less digits than its factorization.

121148698412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54768941 (or 54768939 counting only the distinct ones).

The product of its digits is 221184, while the sum is 47.

The spelling of 121148698412 in words is "one hundred twenty-one billion, one hundred forty-eight million, six hundred ninety-eight thousand, four hundred twelve".

Divisors: 1 2 4 7 14 28 79 158 316 553 1106 2212 54768851 109537702 219075404 383381957 766763914 1533527828 4326739229 8653478458 17306956916 30287174603 60574349206 121148698412