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121374664350 = 23521018011529
BaseRepresentation
bin111000100001001111…
…1100110011010011110
3102121021210211210110220
41301002133212122132
53442033403224400
6131431520142210
711524530424122
oct1610237463236
9377253753426
10121374664350
1147524919865
121b634167966
13b5a3c34c24
145c35b41582
1532559e37a0
hex1c427e669e

121374664350 has 48 divisors (see below), whose sum is σ = 303989494320. Its totient is φ = 32046112000.

The previous prime is 121374664331. The next prime is 121374664357. The reversal of 121374664350 is 53466473121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121374664357) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3990615 + ... + 4020914.

It is an arithmetic number, because the mean of its divisors is an integer number (6333114465).

Almost surely, 2121374664350 is an apocalyptic number.

121374664350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121374664350 is an abundant number, since it is smaller than the sum of its proper divisors (182614829970).

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

121374664350 is a wasteful number, since it uses less digits than its factorization.

121374664350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8011645 (or 8011640 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 121374664350 in words is "one hundred twenty-one billion, three hundred seventy-four million, six hundred sixty-four thousand, three hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 101 150 202 303 505 606 1010 1515 2525 3030 5050 7575 15150 8011529 16023058 24034587 40057645 48069174 80115290 120172935 200288225 240345870 400576450 600864675 809164429 1201729350 1618328858 2427493287 4045822145 4854986574 8091644290 12137466435 20229110725 24274932870 40458221450 60687332175 121374664350