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154403361140 = 22571102881151
BaseRepresentation
bin1000111111001100101…
…0000101000101110100
3112202112122011102210012
42033303022011011310
510012204230024030
6154533143515352
714104154625560
oct2176312050564
9482478142705
10154403361140
115a533743596
1225b11458b58
131173891b2b2
14768a5026a0
15403a47e095
hex23f3285174

154403361140 has 24 divisors (see below), whose sum is σ = 370568067072. Its totient is φ = 52938295200.

The previous prime is 154403361137. The next prime is 154403361173. The reversal of 154403361140 is 41163304451.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 154403361097 and 154403361106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551440436 + ... + 551440715.

It is an arithmetic number, because the mean of its divisors is an integer number (15440336128).

Almost surely, 2154403361140 is an apocalyptic number.

154403361140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154403361140 is an abundant number, since it is smaller than the sum of its proper divisors (216164705932).

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

154403361140 is a wasteful number, since it uses less digits than its factorization.

154403361140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102881167 (or 1102881165 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 154403361140 its reverse (41163304451), we get a palindrome (195566665591).

The spelling of 154403361140 in words is "one hundred fifty-four billion, four hundred three million, three hundred sixty-one thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 1102881151 2205762302 4411524604 5514405755 7720168057 11028811510 15440336114 22057623020 30880672228 38600840285 77201680570 154403361140