Search a number
-
+
385219409157 = 321113109296827
BaseRepresentation
bin1011001101100001101…
…11011011010100000101
31100211022121021120002100
411212300313123110011
522302412132043112
6452544540502313
736555044644302
oct5466067332405
91324277246070
10385219409157
1113940934a770
12627a924a999
132a4313b3abb
14149051740a9
15a048ec42dc
hex59b0ddb505

385219409157 has 24 divisors (see below), whose sum is σ = 607060752480. Its totient is φ = 233447712480.

The previous prime is 385219409153. The next prime is 385219409191. The reversal of 385219409157 is 751904912583.

It is a happy number.

385219409157 is a `hidden beast` number, since 3 + 8 + 5 + 219 + 409 + 15 + 7 = 666.

It is not a de Polignac number, because 385219409157 - 22 = 385219409153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385219409153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1149378 + ... + 1446204.

It is an arithmetic number, because the mean of its divisors is an integer number (25294198020).

Almost surely, 2385219409157 is an apocalyptic number.

It is an amenable number.

385219409157 is a deficient number, since it is larger than the sum of its proper divisors (221841343323).

385219409157 is a wasteful number, since it uses less digits than its factorization.

385219409157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309953 (or 309950 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 54.

The spelling of 385219409157 in words is "three hundred eighty-five billion, two hundred nineteen million, four hundred nine thousand, one hundred fifty-seven".

Divisors: 1 3 9 11 33 99 13109 39327 117981 144199 296827 432597 890481 1297791 2671443 3265097 9795291 29385873 3891105143 11673315429 35019946287 42802156573 128406469719 385219409157