Search a number
-
+
1220120092 = 22305030023
BaseRepresentation
bin100100010111001…
…1000111000011100
310011000212112010001
41020232120320130
54444322320332
6321023224044
742143564302
oct11056307034
93130775101
101220120092
115767a9314
122a0748024
13165a1a469
14b808a272
15721b20e7
hex48b98e1c

1220120092 has 6 divisors (see below), whose sum is σ = 2135210168. Its totient is φ = 610060044.

The previous prime is 1220120089. The next prime is 1220120113. The reversal of 1220120092 is 2900210221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152515008 + ... + 152515015.

Almost surely, 21220120092 is an apocalyptic number.

It is an amenable number.

1220120092 is a deficient number, since it is larger than the sum of its proper divisors (915090076).

1220120092 is a wasteful number, since it uses less digits than its factorization.

1220120092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305030027 (or 305030025 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1220120092 is about 34930.2174628215. The cubic root of 1220120092 is about 1068.5647896194.

The spelling of 1220120092 in words is "one billion, two hundred twenty million, one hundred twenty thousand, ninety-two".

Divisors: 1 2 4 305030023 610060046 1220120092