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155044030541 = 191811748851
BaseRepresentation
bin1001000001100101011…
…0000010100001001101
3112211012021200210222112
42100121112002201031
510020012232434131
6155120511353405
714126064341441
oct2203126024115
9484167623875
10155044030541
115a832349a34
122606bb22865
131180b58630a
14770b634821
15407683202b
hex241958284d

155044030541 has 4 divisors (see below), whose sum is σ = 155855779584. Its totient is φ = 154232281500.

The previous prime is 155044030409. The next prime is 155044030543. The reversal of 155044030541 is 145030440551.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 145030440551 = 593332444347.

It is a cyclic number.

It is not a de Polignac number, because 155044030541 - 226 = 154976921677 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155044030498 and 155044030507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155044030543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405874235 + ... + 405874616.

It is an arithmetic number, because the mean of its divisors is an integer number (38963944896).

Almost surely, 2155044030541 is an apocalyptic number.

It is an amenable number.

155044030541 is a deficient number, since it is larger than the sum of its proper divisors (811749043).

155044030541 is an equidigital number, since it uses as much as digits as its factorization.

155044030541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811749042.

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 155044030541 in words is "one hundred fifty-five billion, forty-four million, thirty thousand, five hundred forty-one".

Divisors: 1 191 811748851 155044030541