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1301321423 = 1779639613
BaseRepresentation
bin100110110010000…
…1001011011001111
310100200122222101202
41031210021123033
510131114241143
6333043500115
744151023003
oct11544113317
93320588352
101301321423
11608620056
1230398763b
131797ab59c
14c4b86703
15793a1ab8
hex4d9096cf

1301321423 has 8 divisors (see below), whose sum is σ = 1378186128. Its totient is φ = 1224491904.

The previous prime is 1301321377. The next prime is 1301321431. The reversal of 1301321423 is 3241231031.

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

It is a cyclic number.

It is not a de Polignac number, because 1301321423 - 214 = 1301305039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1301321395 and 1301321404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301321323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130565 + ... + 140177.

It is an arithmetic number, because the mean of its divisors is an integer number (172273266).

Almost surely, 21301321423 is an apocalyptic number.

1301321423 is a deficient number, since it is larger than the sum of its proper divisors (76864705).

1301321423 is an equidigital number, since it uses as much as digits as its factorization.

1301321423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17593.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1301321423 is about 36073.8329402352. The cubic root of 1301321423 is about 1091.7625505690.

Adding to 1301321423 its reverse (3241231031), we get a palindrome (4542552454).

The spelling of 1301321423 in words is "one billion, three hundred one million, three hundred twenty-one thousand, four hundred twenty-three".

Divisors: 1 17 7963 9613 135371 163421 76548319 1301321423