Search a number
-
+
157337577071 = 198280925109
BaseRepresentation
bin1001001010001000001…
…1001110011001101111
3120001010010102001100022
42102202003032121233
510034211404431241
6200140242152355
714236654224143
oct2224203163157
9501103361308
10157337577071
11607a9a62434
12265b00526bb
1311ab57abc3c
1478880a3223
15415cd7b54b
hex24a20ce66f

157337577071 has 4 divisors (see below), whose sum is σ = 165618502200. Its totient is φ = 149056651944.

The previous prime is 157337576969. The next prime is 157337577077. The reversal of 157337577071 is 170775733751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 170775733751 = 724396533393.

It is a cyclic number.

It is not a de Polignac number, because 157337577071 - 214 = 157337560687 is a prime.

It is a super-2 number, since 2×1573375770712 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157337577077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4140462536 + ... + 4140462573.

It is an arithmetic number, because the mean of its divisors is an integer number (41404625550).

Almost surely, 2157337577071 is an apocalyptic number.

157337577071 is a deficient number, since it is larger than the sum of its proper divisors (8280925129).

157337577071 is an equidigital number, since it uses as much as digits as its factorization.

157337577071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8280925128.

The product of its (nonzero) digits is 3781575, while the sum is 53.

The spelling of 157337577071 in words is "one hundred fifty-seven billion, three hundred thirty-seven million, five hundred seventy-seven thousand, seventy-one".

Divisors: 1 19 8280925109 157337577071