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121123001132 = 2275381619273
BaseRepresentation
bin111000011001101111…
…1100101001100101100
3102120122021021222102222
41300303133211030230
53441024442014012
6131350530134512
711515353344120
oct1606337451454
9376567258388
10121123001132
114740585a531
121b583a21438
13b563a5c493
145c10551580
15323d881972
hex1c337e532c

121123001132 has 24 divisors (see below), whose sum is σ = 246816684576. Its totient is φ = 50930425728.

The previous prime is 121123001107. The next prime is 121123001179. The reversal of 121123001132 is 231100321121.

It is a self number, because there is not a number n which added to its sum of digits gives 121123001132.

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, 40808153 + ... + 40811120.

It is an arithmetic number, because the mean of its divisors is an integer number (10284028524).

Almost surely, 2121123001132 is an apocalyptic number.

It is an amenable number.

121123001132 is an abundant number, since it is smaller than the sum of its proper divisors (125693683444).

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

121123001132 is a wasteful number, since it uses less digits than its factorization.

121123001132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81619337 (or 81619335 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 121123001132 its reverse (231100321121), we get a palindrome (352223322253).

The spelling of 121123001132 in words is "one hundred twenty-one billion, one hundred twenty-three million, one thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 53 106 212 371 742 1484 81619273 163238546 326477092 571334911 1142669822 2285339644 4325821469 8651642938 17303285876 30280750283 60561500566 121123001132