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145025015554550 = 25276924411545179
BaseRepresentation
bin100000111110011001000100…
…100010010010000111110110
3201000111020220200112111122202
4200332121010202102013312
5123002042212440221200
61232235323345424502
742355466036535155
oct4076310442220766
9630436820474582
10145025015554550
114223384453912a
12143229a033b132
1362bca532c6041
1427b536910959c
1511b7677e541d5
hex83e6448921f6

145025015554550 has 48 divisors (see below), whose sum is σ = 270208129791600. Its totient is φ = 57910799155200.

The previous prime is 145025015554501. The next prime is 145025015554609. The reversal of 145025015554550 is 55455510520541.

145025015554550 is digitally balanced in base 3, 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 = 145025015554495 and 145025015554504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93083861 + ... + 94629039.

It is an arithmetic number, because the mean of its divisors is an integer number (5629336037325).

Almost surely, 2145025015554550 is an apocalyptic number.

145025015554550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145025015554550 is a deficient number, since it is larger than the sum of its proper divisors (125183114237050).

145025015554550 is a wasteful number, since it uses less digits than its factorization.

145025015554550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548401 (or 1548396 counting only the distinct ones).

The product of its (nonzero) digits is 2500000, while the sum is 47.

The spelling of 145025015554550 in words is "one hundred forty-five trillion, twenty-five billion, fifteen million, five hundred fifty-four thousand, five hundred fifty".

Divisors: 1 2 5 10 25 50 769 1538 2441 3845 4882 7690 12205 19225 24410 38450 61025 122050 1545179 1877129 3090358 3754258 7725895 9385645 15451790 18771290 38629475 46928225 77258950 93856450 1188242651 2376485302 3771781939 5941213255 7543563878 11882426510 18858909695 29706066275 37717819390 59412132550 94294548475 188589096950 2900500311091 5801000622182 14502501555455 29005003110910 72512507777275 145025015554550