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245554123012440 = 233511186025850767
BaseRepresentation
bin110111110101010010000110…
…010001100111100101011000
31012012102202010000212210221220
4313311102012101213211120
5224141124320442344230
62230130001245332040
7102502462036131264
oct6765220621474530
91165382100783856
10245554123012440
1171271a11948720
122365a04ab67020
13a702867a69bc8
14448cc50c110a4
151d5c65d928d10
hexdf5486467958

245554123012440 has 64 divisors (see below), whose sum is σ = 803631675317760. Its totient is φ = 59528272245120.

The previous prime is 245554123012421. The next prime is 245554123012481. The reversal of 245554123012440 is 44210321455542.

245554123012440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 245554123012392 and 245554123012401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93012924064 + ... + 93012926703.

It is an arithmetic number, because the mean of its divisors is an integer number (12556744926840).

Almost surely, 2245554123012440 is an apocalyptic number.

245554123012440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245554123012440 is an abundant number, since it is smaller than the sum of its proper divisors (558077552305320).

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

245554123012440 is a wasteful number, since it uses less digits than its factorization.

245554123012440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186025850792 (or 186025850788 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 42.

Adding to 245554123012440 its reverse (44210321455542), we get a palindrome (289764444467982).

The spelling of 245554123012440 in words is "two hundred forty-five trillion, five hundred fifty-four billion, one hundred twenty-three million, twelve thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 55 60 66 88 110 120 132 165 220 264 330 440 660 1320 186025850767 372051701534 558077552301 744103403068 930129253835 1116155104602 1488206806136 1860258507670 2046284358437 2232310209204 2790387761505 3720517015340 4092568716874 4464620418408 5580775523010 6138853075311 7441034030680 8185137433748 10231421792185 11161551046020 12277706150622 16370274867496 20462843584370 22323102092040 24555412301244 30694265376555 40925687168740 49110824602488 61388530753110 81851374337480 122777061506220 245554123012440