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139455555430 = 2534134086011
BaseRepresentation
bin1000000111100000110…
…0101110011101100110
3111022221220020020012111
42001320030232131212
54241101110233210
6144022012311234
713034560443232
oct2017014563546
9438856206174
10139455555430
1154163030954
122303b47251a
13101c5b48349
146a6d1c75c2
15396302988a
hex207832e766

139455555430 has 16 divisors (see below), whose sum is σ = 251093609424. Its totient is φ = 55765864480.

The previous prime is 139455555389. The next prime is 139455555509. The reversal of 139455555430 is 34555554931.

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, 2008876 + ... + 2077135.

It is an arithmetic number, because the mean of its divisors is an integer number (15693350589).

Almost surely, 2139455555430 is an apocalyptic number.

139455555430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139455555430 is a deficient number, since it is larger than the sum of its proper divisors (111638053994).

139455555430 is a wasteful number, since it uses less digits than its factorization.

139455555430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4089431.

The product of its (nonzero) digits is 4050000, while the sum is 49.

The spelling of 139455555430 in words is "one hundred thirty-nine billion, four hundred fifty-five million, five hundred fifty-five thousand, four hundred thirty".

Divisors: 1 2 5 10 3413 6826 17065 34130 4086011 8172022 20430055 40860110 13945555543 27891111086 69727777715 139455555430