Search a number
-
+
157544448455 = 5831341128307
BaseRepresentation
bin1001001010111001100…
…0011000000111000111
3120001122112200012112102
42102232120120013013
510040122334322310
6200212552142315
714245045500542
oct2225630300707
9501575605472
10157544448455
11608a5808a19
122664939799b
1311b19600a44
1478a7753859
1541710e18a5
hex24ae6181c7

157544448455 has 16 divisors (see below), whose sum is σ = 191352115584. Its totient is φ = 124503374880.

The previous prime is 157544448419. The next prime is 157544448541. The reversal of 157544448455 is 554844445751.

It is not a de Polignac number, because 157544448455 - 224 = 157527671239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 157544448455.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5551412 + ... + 5579718.

It is an arithmetic number, because the mean of its divisors is an integer number (11959507224).

Almost surely, 2157544448455 is an apocalyptic number.

157544448455 is a deficient number, since it is larger than the sum of its proper divisors (33807667129).

157544448455 is a wasteful number, since it uses less digits than its factorization.

157544448455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41806.

The product of its digits is 35840000, while the sum is 56.

The spelling of 157544448455 in words is "one hundred fifty-seven billion, five hundred forty-four million, four hundred forty-eight thousand, four hundred fifty-five".

Divisors: 1 5 83 415 13411 28307 67055 141535 1113113 2349481 5565565 11747405 379625177 1898125885 31508889691 157544448455