Search a number
-
+
157864574329 = 7113779701399
BaseRepresentation
bin1001001100000101110…
…1100011110101111001
3120002110212001021200021
42103001131203311321
510041301312334304
6200304425410441
714256013512250
oct2230135436571
9502425037607
10157864574329
1160a4a489260
1226718639a21
1311b6aa27337
1478d8085797
15418e278a54
hex24c1763d79

157864574329 has 32 divisors (see below), whose sum is σ = 204696576000. Its totient is φ = 118171535040.

The previous prime is 157864574321. The next prime is 157864574341. The reversal of 157864574329 is 923475468751.

It is a cyclic number.

It is not a de Polignac number, because 157864574329 - 23 = 157864574321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157864574321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125629 + ... + 575770.

It is an arithmetic number, because the mean of its divisors is an integer number (6396768000).

Almost surely, 2157864574329 is an apocalyptic number.

It is an amenable number.

157864574329 is a deficient number, since it is larger than the sum of its proper divisors (46832001671).

157864574329 is a wasteful number, since it uses less digits than its factorization.

157864574329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701533.

The product of its digits is 50803200, while the sum is 61.

The spelling of 157864574329 in words is "one hundred fifty-seven billion, eight hundred sixty-four million, five hundred seventy-four thousand, three hundred twenty-nine".

Divisors: 1 7 11 37 77 79 259 407 553 869 2849 2923 6083 20461 32153 225071 701399 4909793 7715389 25951763 54007723 55410521 181662341 285469393 387873647 609515731 1998285751 2050189277 4266610117 14351324939 22552082047 157864574329