[go: up one dir, main page]

Search a number
-
+
121350213 = 3231434947
BaseRepresentation
bin1110011101110…
…10100001000101
322110100020012100
413032322201011
5222031201323
620012542313
73002313465
oct716724105
9273306170
10121350213
1162554236
1234781999
131c1aa67a
141218bba5
15a9c0943
hex73ba845

121350213 has 12 divisors (see below), whose sum is σ = 180938368. Its totient is φ = 78290280.

The previous prime is 121350211. The next prime is 121350221. The reversal of 121350213 is 312053121.

It is not a de Polignac number, because 121350213 - 21 = 121350211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121350211) 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, 217195 + ... + 217752.

Almost surely, 2121350213 is an apocalyptic number.

It is an amenable number.

121350213 is a deficient number, since it is larger than the sum of its proper divisors (59588155).

121350213 is a wasteful number, since it uses less digits than its factorization.

121350213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434984 (or 434981 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 121350213 is about 11015.9072708515. The cubic root of 121350213 is about 495.0854703958.

The spelling of 121350213 in words is "one hundred twenty-one million, three hundred fifty thousand, two hundred thirteen".

Divisors: 1 3 9 31 93 279 434947 1304841 3914523 13483357 40450071 121350213