Search a number
-
+
121798996 = 22114758897
BaseRepresentation
bin1110100001010…
…00000101010100
322111012000210221
413100220011110
5222140031441
620030324124
73006163054
oct720500524
9274160727
10121798996
1162830430
1234959644
131c306a17
1412267564
15aa5d8d1
hex7428154

121798996 has 24 divisors (see below), whose sum is σ = 237476736. Its totient is φ = 54184320.

The previous prime is 121798913. The next prime is 121798997. The reversal of 121798996 is 699897121.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121798997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27381 + ... + 31516.

It is an arithmetic number, because the mean of its divisors is an integer number (9894864).

Almost surely, 2121798996 is an apocalyptic number.

It is an amenable number.

121798996 is a deficient number, since it is larger than the sum of its proper divisors (115677740).

121798996 is a wasteful number, since it uses less digits than its factorization.

121798996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58959 (or 58957 counting only the distinct ones).

The product of its digits is 489888, while the sum is 52.

The square root of 121798996 is about 11036.2582427198. The cubic root of 121798996 is about 495.6950356067.

The spelling of 121798996 in words is "one hundred twenty-one million, seven hundred ninety-eight thousand, nine hundred ninety-six".

Divisors: 1 2 4 11 22 44 47 94 188 517 1034 2068 58897 117794 235588 647867 1295734 2591468 2768159 5536318 11072636 30449749 60899498 121798996