Search a number
-
+
20133048157 is a prime number
BaseRepresentation
bin10010110000000001…
…011110111101011101
31220222002212211000021
4102300001132331131
5312213030020112
613125441032141
71311626041255
oct226001367535
956862784007
1020133048157
1185a1643082
123a9a625651
131b8b11c961
14d8dc3a965
157cc79c907
hex4b005ef5d

20133048157 has 2 divisors, whose sum is σ = 20133048158. Its totient is φ = 20133048156.

The previous prime is 20133048119. The next prime is 20133048163. The reversal of 20133048157 is 75184033102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18785717721 + 1347330436 = 137061^2 + 36706^2 .

It is a cyclic number.

It is not a de Polignac number, because 20133048157 - 27 = 20133048029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20133048557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066524078 + 10066524079.

It is an arithmetic number, because the mean of its divisors is an integer number (10066524079).

Almost surely, 220133048157 is an apocalyptic number.

It is an amenable number.

20133048157 is a deficient number, since it is larger than the sum of its proper divisors (1).

20133048157 is an equidigital number, since it uses as much as digits as its factorization.

20133048157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 20133048157 in words is "twenty billion, one hundred thirty-three million, forty-eight thousand, one hundred fifty-seven".