Search a number
-
+
1302131231201 = 3835231649937
BaseRepresentation
bin10010111100101101000…
…100011100100111100001
311121111000202122012211002
4102330231010130213201
5132313231043344301
62434105115201345
7163035011562413
oct22745504344741
94544022565732
101302131231201
1146225a151799
12190441146255
1395a377cb7a8
14470486449b3
1523d110ab16b
hex12f2d11c9e1

1302131231201 has 8 divisors (see below), whose sum is σ = 1305782636544. Its totient is φ = 1298481136960.

The previous prime is 1302131231171. The next prime is 1302131231309. The reversal of 1302131231201 is 1021321312031.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1302131231201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1302131231801) 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, 1678505 + ... + 2328441.

It is an arithmetic number, because the mean of its divisors is an integer number (163222829568).

Almost surely, 21302131231201 is an apocalyptic number.

It is an amenable number.

1302131231201 is a deficient number, since it is larger than the sum of its proper divisors (3651405343).

1302131231201 is an equidigital number, since it uses as much as digits as its factorization.

1302131231201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655551.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1302131231201 its reverse (1021321312031), we get a palindrome (2323452543232).

The spelling of 1302131231201 in words is "one trillion, three hundred two billion, one hundred thirty-one million, two hundred thirty-one thousand, two hundred one".

Divisors: 1 383 5231 649937 2003473 248925871 3399820447 1302131231201