Search a number
-
+
157358174954417 is a prime number
BaseRepresentation
bin100011110001110111001110…
…000111101110001110110001
3202122011021221202210200102022
4203301313032013232032301
5131111124020242020132
61314401203030001225
745100516160664323
oct4361671607561661
9678137852720368
10157358174954417
1146159255496128
121579509a4a6215
1369a5a73601398
142ac0267ad1613
15132d3a96dae12
hex8f1dce1ee3b1

157358174954417 has 2 divisors, whose sum is σ = 157358174954418. Its totient is φ = 157358174954416.

The previous prime is 157358174954381. The next prime is 157358174954459. The reversal of 157358174954417 is 714459471853751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145060079839921 + 12298095114496 = 12044089^2 + 3506864^2 .

It is a cyclic number.

It is not a de Polignac number, because 157358174954417 - 28 = 157358174954161 is a prime.

It is not a weakly prime, because it can be changed into another prime (157358174954117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78679087477208 + 78679087477209.

It is an arithmetic number, because the mean of its divisors is an integer number (78679087477209).

Almost surely, 2157358174954417 is an apocalyptic number.

It is an amenable number.

157358174954417 is a deficient number, since it is larger than the sum of its proper divisors (1).

157358174954417 is an equidigital number, since it uses as much as digits as its factorization.

157358174954417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 592704000, while the sum is 71.

The spelling of 157358174954417 in words is "one hundred fifty-seven trillion, three hundred fifty-eight billion, one hundred seventy-four million, nine hundred fifty-four thousand, four hundred seventeen".