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154949870141 = 1122363167497
BaseRepresentation
bin1001000001001110111…
…0110110001000111101
3112210221201111222012022
42100103232312020331
510014314131321031
6155103305245525
714123542110353
oct2202356661075
9483851458168
10154949870141
115a794186920
12260444938a5
13117c4c087c1
1476dcd237d3
15406d43297b
hex2413bb623d

154949870141 has 8 divisors (see below), whose sum is σ = 169794234624. Its totient is φ = 140231841120.

The previous prime is 154949869981. The next prime is 154949870149. The reversal of 154949870141 is 141078949451.

154949870141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 154949870141 - 222 = 154945675837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154949870149) 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 7 ways as a sum of consecutive naturals, for example, 31581296 + ... + 31586201.

It is an arithmetic number, because the mean of its divisors is an integer number (21224279328).

Almost surely, 2154949870141 is an apocalyptic number.

154949870141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

154949870141 is a deficient number, since it is larger than the sum of its proper divisors (14844364483).

154949870141 is a wasteful number, since it uses less digits than its factorization.

154949870141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63167731.

The product of its (nonzero) digits is 1451520, while the sum is 53.

The spelling of 154949870141 in words is "one hundred fifty-four billion, nine hundred forty-nine million, eight hundred seventy thousand, one hundred forty-one".

Divisors: 1 11 223 2453 63167497 694842467 14086351831 154949870141