Search a number
-
+
155100342424 = 2319387542803
BaseRepresentation
bin1001000001110010110…
…0110110100010011000
3112211100012122202100211
42100130230312202120
510020121141424144
6155130242340504
714130350105146
oct2203454664230
9484305582324
10155100342424
115a861110985
122608695a734
131181a141661
147714cd2596
15407b757034
hex241cb36898

155100342424 has 8 divisors (see below), whose sum is σ = 290813142060. Its totient is φ = 77550171208.

The previous prime is 155100342407. The next prime is 155100342431. The reversal of 155100342424 is 424243001551.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×1551003424243 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9693771394 + ... + 9693771409.

Almost surely, 2155100342424 is an apocalyptic number.

It is an amenable number.

155100342424 is a deficient number, since it is larger than the sum of its proper divisors (135712799636).

155100342424 is a wasteful number, since it uses less digits than its factorization.

155100342424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19387542809 (or 19387542805 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 155100342424 its reverse (424243001551), we get a palindrome (579343343975).

The spelling of 155100342424 in words is "one hundred fifty-five billion, one hundred million, three hundred forty-two thousand, four hundred twenty-four".

Divisors: 1 2 4 8 19387542803 38775085606 77550171212 155100342424