Search a number
-
+
1301202137 = 19631108533
BaseRepresentation
bin100110110001110…
…1100010011011001
310100200102220202202
41031203230103121
510131101432022
6333041135545
744150015144
oct11543542331
93320386682
101301202137
11608549474
1230392a5b5
131797691c1
14c4b5505b
157937b592
hex4d8ec4d9

1301202137 has 8 divisors (see below), whose sum is σ = 1371869760. Its totient is φ = 1230752880.

The previous prime is 1301202121. The next prime is 1301202143. The reversal of 1301202137 is 7312021031.

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

It is not a de Polignac number, because 1301202137 - 24 = 1301202121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1301202167) 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, 42278 + ... + 66255.

It is an arithmetic number, because the mean of its divisors is an integer number (171483720).

Almost surely, 21301202137 is an apocalyptic number.

It is an amenable number.

1301202137 is a deficient number, since it is larger than the sum of its proper divisors (70667623).

1301202137 is a wasteful number, since it uses less digits than its factorization.

1301202137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109183.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 1301202137 is about 36072.1795432436. The cubic root of 1301202137 is about 1091.7291906410.

Adding to 1301202137 its reverse (7312021031), we get a palindrome (8613223168).

The spelling of 1301202137 in words is "one billion, three hundred one million, two hundred two thousand, one hundred thirty-seven".

Divisors: 1 19 631 11989 108533 2062127 68484323 1301202137