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121019364 = 22326155109
BaseRepresentation
bin1110011011010…
…01101111100100
322102201102100200
413031221233210
5221440104424
620001510500
72666435064
oct715515744
9272642320
10121019364
1162348704
1234642430
131c0c2bbb
14121033a4
15a9578c9
hex7369be4

121019364 has 36 divisors (see below), whose sum is σ = 310930620. Its totient is φ = 39677760.

The previous prime is 121019363. The next prime is 121019383. The reversal of 121019364 is 463910121.

It can be written as a sum of positive squares in 2 ways, for example, as 47196900 + 73822464 = 6870^2 + 8592^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (121019363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25359 + ... + 29750.

Almost surely, 2121019364 is an apocalyptic number.

It is an amenable number.

121019364 is an abundant number, since it is smaller than the sum of its proper divisors (189911256).

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

121019364 is a wasteful number, since it uses less digits than its factorization.

121019364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55180 (or 55175 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 121019364 is about 11000.8801466065. The cubic root of 121019364 is about 494.6351275008.

Adding to 121019364 its reverse (463910121), we get a palindrome (584929485).

The spelling of 121019364 in words is "one hundred twenty-one million, nineteen thousand, three hundred sixty-four".

Divisors: 1 2 3 4 6 9 12 18 36 61 122 183 244 366 549 732 1098 2196 55109 110218 165327 220436 330654 495981 661308 991962 1983924 3361649 6723298 10084947 13446596 20169894 30254841 40339788 60509682 121019364