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145019768933 = 1318173983399
BaseRepresentation
bin1000011100001111011…
…0100001000001100101
3111212022200021120012002
42013003312201001211
54334000030101213
6150342100535045
713322503461104
oct2070366410145
9455280246162
10145019768933
1156558973906
12241329b1485
13108a1852a80
14703a19803b
153b8b780658
hex21c3da1065

145019768933 has 16 divisors (see below), whose sum is σ = 157252368000. Its totient is φ = 132943083840.

The previous prime is 145019768899. The next prime is 145019768941. The reversal of 145019768933 is 339867910541.

It is a cyclic number.

It is not a de Polignac number, because 145019768933 - 218 = 145019506789 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145019768983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1697168 + ... + 1780566.

It is an arithmetic number, because the mean of its divisors is an integer number (9828273000).

Almost surely, 2145019768933 is an apocalyptic number.

145019768933 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

145019768933 is a deficient number, since it is larger than the sum of its proper divisors (12232599067).

145019768933 is a wasteful number, since it uses less digits than its factorization.

145019768933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84332.

The product of its (nonzero) digits is 4898880, while the sum is 56.

The spelling of 145019768933 in words is "one hundred forty-five billion, nineteen million, seven hundred sixty-eight thousand, nine hundred thirty-three".

Divisors: 1 13 181 739 2353 9607 83399 133759 1084187 1738867 15095219 61631861 196237847 801214193 11155366841 145019768933