Search a number
-
+
121993338 = 23192294673
BaseRepresentation
bin1110100010101…
…11100001111010
322111112220101210
413101113201322
5222212241323
620034423550
73010632465
oct721274172
9274486353
10121993338
1162953445
1234a31bb6
131c37430c
14122b82dc
15aa9b293
hex745787a

121993338 has 32 divisors (see below), whose sum is σ = 258004800. Its totient is φ = 38347776.

The previous prime is 121993321. The next prime is 121993349. The reversal of 121993338 is 833399121.

It is a junction number, because it is equal to n+sod(n) for n = 121993296 and 121993305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23770 + ... + 28442.

It is an arithmetic number, because the mean of its divisors is an integer number (8062650).

Almost surely, 2121993338 is an apocalyptic number.

121993338 is an abundant number, since it is smaller than the sum of its proper divisors (136011462).

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

121993338 is a wasteful number, since it uses less digits than its factorization.

121993338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4926.

The product of its digits is 34992, while the sum is 39.

The square root of 121993338 is about 11045.0594385001. The cubic root of 121993338 is about 495.9585385261.

The spelling of 121993338 in words is "one hundred twenty-one million, nine hundred ninety-three thousand, three hundred thirty-eight".

Divisors: 1 2 3 6 19 38 57 114 229 458 687 1374 4351 4673 8702 9346 13053 14019 26106 28038 88787 177574 266361 532722 1070117 2140234 3210351 6420702 20332223 40664446 60996669 121993338