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154884922140 = 223513198570413
BaseRepresentation
bin1001000000111111011…
…1000101101100011100
3112210210012022021021210
42100033313011230130
510014201020002030
6155053025224420
714122123054524
oct2201767055434
9483705267253
10154884922140
115a760556493
1226026792110
13117b4618630
1476d4458684
1540678a3bb0
hex240fdc5b1c

154884922140 has 48 divisors (see below), whose sum is σ = 467037613728. Its totient is φ = 38125519104.

The previous prime is 154884922139. The next prime is 154884922169. The reversal of 154884922140 is 41229488451.

154884922140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 154884922140.

It is a congruent number.

It is an unprimeable number.

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, 99284427 + ... + 99285986.

It is an arithmetic number, because the mean of its divisors is an integer number (9729950286).

Almost surely, 2154884922140 is an apocalyptic number.

154884922140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154884922140 is an abundant number, since it is smaller than the sum of its proper divisors (312152691588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154884922140 is a wasteful number, since it uses less digits than its factorization.

154884922140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198570438 (or 198570436 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

The spelling of 154884922140 in words is "one hundred fifty-four billion, eight hundred eighty-four million, nine hundred twenty-two thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 198570413 397140826 595711239 794281652 992852065 1191422478 1985704130 2382844956 2581415369 2978556195 3971408260 5162830738 5957112390 7744246107 10325661476 11914224780 12907076845 15488492214 25814153690 30976984428 38721230535 51628307380 77442461070 154884922140