Search a number
-
+
121171962 = 23193104639
BaseRepresentation
bin1110011100011…
…10111111111010
322110000011200110
413032032333322
5222010000322
620005045150
73000642012
oct716167772
9273004613
10121171962
116244231a
12346b67b6
131c1474b2
1412142c42
15a987c0c
hex738effa

121171962 has 16 divisors (see below), whose sum is σ = 243601920. Its totient is φ = 40180992.

The previous prime is 121171957. The next prime is 121171991. The reversal of 121171962 is 269171121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51162 + ... + 53477.

It is an arithmetic number, because the mean of its divisors is an integer number (15225120).

Almost surely, 2121171962 is an apocalyptic number.

121171962 is an abundant number, since it is smaller than the sum of its proper divisors (122429958).

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

121171962 is a wasteful number, since it uses less digits than its factorization.

121171962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104837.

The product of its digits is 1512, while the sum is 30.

The square root of 121171962 is about 11007.8136793825. The cubic root of 121171962 is about 494.8429417038.

The spelling of 121171962 in words is "one hundred twenty-one million, one hundred seventy-one thousand, nine hundred sixty-two".

Divisors: 1 2 3 6 193 386 579 1158 104639 209278 313917 627834 20195327 40390654 60585981 121171962