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121010994 = 232134711003
BaseRepresentation
bin1110011011001…
…11101100110010
322102200222212200
413031213230302
5221434322434
620001404030
72666401506
oct715475462
9272628780
10121010994
1162342395
1234639616
131c0bc150
1412100306
15a955199
hex7367b32

121010994 has 48 divisors (see below), whose sum is σ = 288392832. Its totient is φ = 36438624.

The previous prime is 121010983. The next prime is 121010999. The reversal of 121010994 is 499010121.

It is not an unprimeable number, because it can be changed into a prime (121010999) 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, 5497 + ... + 16499.

It is an arithmetic number, because the mean of its divisors is an integer number (6008184).

Almost surely, 2121010994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121010994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144196416).

121010994 is an abundant number, since it is smaller than the sum of its proper divisors (167381838).

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

121010994 is a wasteful number, since it uses less digits than its factorization.

121010994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11071 (or 11068 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 121010994 is about 11000.4997159220. The cubic root of 121010994 is about 494.6237238396.

The spelling of 121010994 in words is "one hundred twenty-one million, ten thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 9 13 18 26 39 47 78 94 117 141 234 282 423 611 846 1222 1833 3666 5499 10998 11003 22006 33009 66018 99027 143039 198054 286078 429117 517141 858234 1034282 1287351 1551423 2574702 3102846 4654269 6722833 9308538 13445666 20168499 40336998 60505497 121010994