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121016532 = 223713110821
BaseRepresentation
bin1110011011010…
…01000011010100
322102201021110210
413031221003110
5221440012112
620001445420
72666423610
oct715510324
9272637423
10121016532
116234656a
1234640870
131c0c1820
1412102340
15a956b3c
hex73690d4

121016532 has 48 divisors (see below), whose sum is σ = 347537792. Its totient is φ = 31916160.

The previous prime is 121016527. The next prime is 121016549. The reversal of 121016532 is 235610121.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 121016499 and 121016508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54319 + ... + 56502.

Almost surely, 2121016532 is an apocalyptic number.

121016532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121016532 is an abundant number, since it is smaller than the sum of its proper divisors (226521260).

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

121016532 is a wasteful number, since it uses less digits than its factorization.

121016532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110848 (or 110846 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 121016532 is about 11000.7514288798. The cubic root of 121016532 is about 494.6312691166.

Adding to 121016532 its reverse (235610121), we get a palindrome (356626653).

The spelling of 121016532 in words is "one hundred twenty-one million, sixteen thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 39 42 52 78 84 91 156 182 273 364 546 1092 110821 221642 332463 443284 664926 775747 1329852 1440673 1551494 2327241 2881346 3102988 4322019 4654482 5762692 8644038 9308964 10084711 17288076 20169422 30254133 40338844 60508266 121016532