Search a number
-
+
1201320141 = 37471217143
BaseRepresentation
bin100011110011010…
…1011000011001101
310002201111101102120
41013212223003031
54430014221031
6315112243153
741525024040
oct10746530315
93081441376
101201320141
1156712866a
122963a04b9
13161b67328
14b5794c57
15706eba96
hex479ab0cd

1201320141 has 16 divisors (see below), whose sum is σ = 1869533184. Its totient is φ = 671862384.

The previous prime is 1201320121. The next prime is 1201320143. The reversal of 1201320141 is 1410231021.

1201320141 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1201320141 - 26 = 1201320077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1201320141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201320143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 607585 + ... + 609558.

It is an arithmetic number, because the mean of its divisors is an integer number (116845824).

Almost surely, 21201320141 is an apocalyptic number.

It is an amenable number.

1201320141 is a deficient number, since it is larger than the sum of its proper divisors (668213043).

1201320141 is a wasteful number, since it uses less digits than its factorization.

1201320141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217200.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1201320141 is about 34660.0655077281. The cubic root of 1201320141 is about 1063.0481094670.

Adding to 1201320141 its reverse (1410231021), we get a palindrome (2611551162).

The spelling of 1201320141 in words is "one billion, two hundred one million, three hundred twenty thousand, one hundred forty-one".

Divisors: 1 3 7 21 47 141 329 987 1217143 3651429 8520001 25560003 57205721 171617163 400440047 1201320141