Search a number
-
+
154044146320 = 2456617274007
BaseRepresentation
bin1000111101110110111…
…1110010001010010000
3112201121121020102200121
42033131233302022100
510010440300140240
6154433352400024
714062233432211
oct2173557621220
9481547212617
10154044146320
115a3699a5139
1225a310a6014
13116ac389a4c
147654917408
154018b7504a
hex23ddbf2290

154044146320 has 80 divisors (see below), whose sum is σ = 359277504768. Its totient is φ = 61424478720.

The previous prime is 154044146251. The next prime is 154044146323. The reversal of 154044146320 is 23641440451.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (154044146323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38441757 + ... + 38445763.

Almost surely, 2154044146320 is an apocalyptic number.

154044146320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154044146320 is an abundant number, since it is smaller than the sum of its proper divisors (205233358448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154044146320 is a wasteful number, since it uses less digits than its factorization.

154044146320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5408 (or 5402 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 154044146320 its reverse (23641440451), we get a palindrome (177685586771).

The spelling of 154044146320 in words is "one hundred fifty-four billion, forty-four million, one hundred forty-six thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 661 727 1322 1454 2644 2908 3305 3635 4007 5288 5816 6610 7270 8014 10576 11632 13220 14540 16028 20035 26440 29080 32056 40070 52880 58160 64112 80140 160280 320560 480547 961094 1922188 2402735 2648627 2913089 3844376 4805470 5297254 5826178 7688752 9610940 10594508 11652356 13243135 14565445 19221880 21189016 23304712 26486270 29130890 38443760 42378032 46609424 52972540 58261780 105945080 116523560 211890160 233047120 1925551829 3851103658 7702207316 9627759145 15404414632 19255518290 30808829264 38511036580 77022073160 154044146320