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154353050020 = 225137110182787
BaseRepresentation
bin1000111111000000101…
…0001010000110100100
3112202102010111100220101
42033300022022012210
510012103340100040
6154524145313444
714103004164121
oct2176012120644
9482363440811
10154353050020
115a508300054
1225ab8635884
131172b3843c0
147683967748
154035d4209a
hex23f028a1a4

154353050020 has 96 divisors (see below), whose sum is σ = 357501102336. Its totient is φ = 55632192000.

The previous prime is 154353050011. The next prime is 154353050021. The reversal of 154353050020 is 20050353451.

It is not an unprimeable number, because it can be changed into a prime (154353050021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1823067 + ... + 1905853.

It is an arithmetic number, because the mean of its divisors is an integer number (3723969816).

Almost surely, 2154353050020 is an apocalyptic number.

154353050020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154353050020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178750551168).

154353050020 is an abundant number, since it is smaller than the sum of its proper divisors (203148052316).

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

154353050020 is a wasteful number, since it uses less digits than its factorization.

154353050020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82981 (or 82979 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The spelling of 154353050020 in words is "one hundred fifty-four billion, three hundred fifty-three million, fifty thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 71 101 130 142 202 260 284 355 404 505 710 923 1010 1313 1420 1846 2020 2626 3692 4615 5252 6565 7171 9230 13130 14342 18460 26260 28684 35855 71710 82787 93223 143420 165574 186446 331148 372892 413935 466115 827870 932230 1076231 1655740 1864460 2152462 4304924 5381155 5877877 8361487 10762310 11755754 16722974 21524620 23511508 29389385 33445948 41807435 58778770 76412401 83614870 108699331 117557540 152824802 167229740 217398662 305649604 382062005 434797324 543496655 593665577 764124010 1086993310 1187331154 1528248020 2173986620 2374662308 2968327885 5936655770 7717652501 11873311540 15435305002 30870610004 38588262505 77176525010 154353050020