Search a number
-
+
1455592231221 = 34447109106681
BaseRepresentation
bin10101001011101000000…
…011101101000100110101
312011011010201120202011120
4111023220003231010311
5142322023102344341
63032405001054153
7210106634551632
oct25135003550465
95134121522146
101455592231221
1151134995a437
121b612aa87359
13a7353110c4b
1450645921189
1527ce3942066
hex152e80ed135

1455592231221 has 8 divisors (see below), whose sum is σ = 1941226086144. Its totient is φ = 970176598560.

The previous prime is 1455592231199. The next prime is 1455592231267. The reversal of 1455592231221 is 1221322955541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1455592231221 - 211 = 1455592229173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455592231921) by changing a digit.

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, 54540000 + ... + 54566681.

It is an arithmetic number, because the mean of its divisors is an integer number (242653260768).

Almost surely, 21455592231221 is an apocalyptic number.

It is an amenable number.

1455592231221 is a deficient number, since it is larger than the sum of its proper divisors (485633854923).

1455592231221 is a wasteful number, since it uses less digits than its factorization.

1455592231221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109111131.

The product of its digits is 216000, while the sum is 42.

The spelling of 1455592231221 in words is "one trillion, four hundred fifty-five billion, five hundred ninety-two million, two hundred thirty-one thousand, two hundred twenty-one".

Divisors: 1 3 4447 13341 109106681 327320043 485197410407 1455592231221