Search a number
-
+
144429357864454 = 213171721189868247
BaseRepresentation
bin100000110101101110010100…
…100100100001011000000110
3200221101022102021111122112021
4200311232110210201120012
5122412312311103130304
61231101533034113354
742264451061651605
oct4065562444413006
9627338367448467
10144429357864454
1142024168281303
121424746387b85a
1362788261800a0
1427945bd843a3c
1511a6e14426a54
hex835b94921606

144429357864454 has 32 divisors (see below), whose sum is σ = 247176561030336. Its totient is φ = 62702089559040.

The previous prime is 144429357864439. The next prime is 144429357864457. The reversal of 144429357864454 is 454468753924441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144429357864457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94173442 + ... + 95694805.

It is an arithmetic number, because the mean of its divisors is an integer number (7724267532198).

Almost surely, 2144429357864454 is an apocalyptic number.

144429357864454 is a deficient number, since it is larger than the sum of its proper divisors (102747203165882).

144429357864454 is a wasteful number, since it uses less digits than its factorization.

144429357864454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189870000.

The product of its digits is 1857945600, while the sum is 70.

The spelling of 144429357864454 in words is "one hundred forty-four trillion, four hundred twenty-nine billion, three hundred fifty-seven million, eight hundred sixty-four thousand, four hundred fifty-four".

Divisors: 1 2 13 17 26 34 221 442 1721 3442 22373 29257 44746 58514 380341 760682 189868247 379736494 2468287211 3227760199 4936574422 6455520398 41960882587 83921765174 326763253087 653526506174 4247922290131 5554975302479 8495844580262 11109950604958 72214678932227 144429357864454