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121373870960 = 2453148941077
BaseRepresentation
bin111000100001001110…
…0100100101101110000
3102121021202100111011002
41301002130210231300
53442033202332320
6131431451141132
711524520611046
oct1610234445560
9377252314132
10121373870960
1147524427771
121b633a447a8
13b5a3a17a74
145c359b6396
1532558d8675
hex1c42724b70

121373870960 has 40 divisors (see below), whose sum is σ = 291297296256. Its totient is φ = 46983432960.

The previous prime is 121373870957. The next prime is 121373870993. The reversal of 121373870960 is 69078373121.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 24468059 + ... + 24473018.

Almost surely, 2121373870960 is an apocalyptic number.

121373870960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121373870960 is an abundant number, since it is smaller than the sum of its proper divisors (169923425296).

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

121373870960 is a wasteful number, since it uses less digits than its factorization.

121373870960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48941121 (or 48941115 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 47.

The spelling of 121373870960 in words is "one hundred twenty-one billion, three hundred seventy-three million, eight hundred seventy thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 31 40 62 80 124 155 248 310 496 620 1240 2480 48941077 97882154 195764308 244705385 391528616 489410770 783057232 978821540 1517173387 1957643080 3034346774 3915286160 6068693548 7585866935 12137387096 15171733870 24274774192 30343467740 60686935480 121373870960