Search a number
-
+
1429990613261 = 7375521199279
BaseRepresentation
bin10100110011110010000…
…101010010000100001101
312001201001111121210122222
4110303302011102010031
5141412110044111021
63012532325345125
7205212333442220
oct24636205220415
95051044553588
101429990613261
1150150146a991
121b1184b681a5
13a4b03063592
144d2d76cd5b7
15272e60326ab
hex14cf215210d

1429990613261 has 8 divisors (see below), whose sum is σ = 1678444581120. Its totient is φ = 1192579044048.

The previous prime is 1429990613257. The next prime is 1429990613281. The reversal of 1429990613261 is 1623160999241.

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

It is not a de Polignac number, because 1429990613261 - 22 = 1429990613257 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 (1429990613221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2760599381 + ... + 2760599898.

It is an arithmetic number, because the mean of its divisors is an integer number (209805572640).

Almost surely, 21429990613261 is an apocalyptic number.

It is an amenable number.

1429990613261 is a deficient number, since it is larger than the sum of its proper divisors (248453967859).

1429990613261 is an equidigital number, since it uses as much as digits as its factorization.

1429990613261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5521199323.

The product of its (nonzero) digits is 1259712, while the sum is 53.

The spelling of 1429990613261 in words is "one trillion, four hundred twenty-nine billion, nine hundred ninety million, six hundred thirteen thousand, two hundred sixty-one".

Divisors: 1 7 37 259 5521199279 38648394953 204284373323 1429990613261