Search a number
-
+
154643243037441 = 3223231155819189
BaseRepresentation
bin100011001010010110101111…
…100100010111001100000001
3202021112202020111102110101020
4203022112233210113030001
5130232133330204144231
61304522043004500053
744400414503314134
oct4312265744271401
9667482214373336
10154643243037441
11453019161764a4
1215416a9124a629
136839a45201162
142a28ab6b9a21b
1512d295b7de396
hex8ca5af917301

154643243037441 has 8 divisors (see below), whose sum is σ = 207115613994240. Its totient is φ = 102633183719472.

The previous prime is 154643243037407. The next prime is 154643243037461. The reversal of 154643243037441 is 144730342346451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-154643243037441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (154643243037461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115577908926 + ... + 115577910263.

It is an arithmetic number, because the mean of its divisors is an integer number (25889451749280).

Almost surely, 2154643243037441 is an apocalyptic number.

It is an amenable number.

154643243037441 is a deficient number, since it is larger than the sum of its proper divisors (52472370956799).

154643243037441 is a wasteful number, since it uses less digits than its factorization.

154643243037441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231155819415.

The product of its (nonzero) digits is 11612160, while the sum is 51.

The spelling of 154643243037441 in words is "one hundred fifty-four trillion, six hundred forty-three billion, two hundred forty-three million, thirty-seven thousand, four hundred forty-one".

Divisors: 1 3 223 669 231155819189 693467457567 51547747679147 154643243037441