Search a number
-
+
161600515153 = 72112961169483
BaseRepresentation
bin1001011010000000100…
…1000010110001010001
3120110010012212202000221
42112200021002301101
510121424212441103
6202123243513041
714450416500100
oct2264011026121
9513105782027
10161600515153
1162597306960
122739b828781
1312314a22ccc
147b70300037
15430c23e1bd
hex25a0242c51

161600515153 has 48 divisors (see below), whose sum is σ = 215624324160. Its totient is φ = 119586499200.

The previous prime is 161600515117. The next prime is 161600515183. The reversal of 161600515153 is 351515006161.

It is not a de Polignac number, because 161600515153 - 213 = 161600506961 is a prime.

It is a super-2 number, since 2×1616005151532 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (161600515183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 868750 + ... + 1038232.

It is an arithmetic number, because the mean of its divisors is an integer number (4492173420).

Almost surely, 2161600515153 is an apocalyptic number.

It is an amenable number.

161600515153 is a deficient number, since it is larger than the sum of its proper divisors (54023809007).

161600515153 is a wasteful number, since it uses less digits than its factorization.

161600515153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169598 (or 169591 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 34.

The spelling of 161600515153 in words is "one hundred sixty-one billion, six hundred million, five hundred fifteen thousand, one hundred fifty-three".

Divisors: 1 7 11 29 49 61 77 203 319 427 539 671 1421 1769 2233 2989 4697 12383 15631 19459 32879 86681 136213 169483 953491 1186381 1864313 4915007 8304667 10338463 13050191 34405049 54065077 72369241 91351337 113723093 240835343 299815427 378455539 506584687 796061651 2098707989 2649188773 3297969697 5572431557 14690955923 23085787879 161600515153