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145176801490 = 2572073954307
BaseRepresentation
bin1000011100110100110…
…1100011000011010010
3111212201121202122100201
42013031031203003102
54334310230121430
6150405430405414
713326421311010
oct2071515430322
9455647678321
10145176801490
1156629579786
122417750086a
13108c8244946
147052d938b0
153b9a44d8ca
hex21cd3630d2

145176801490 has 16 divisors (see below), whose sum is σ = 298649420352. Its totient is φ = 49774903344.

The previous prime is 145176801479. The next prime is 145176801509. The reversal of 145176801490 is 94108671541.

It is a self number, because there is not a number n which added to its sum of digits gives 145176801490.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1036977084 + ... + 1036977223.

It is an arithmetic number, because the mean of its divisors is an integer number (18665588772).

Almost surely, 2145176801490 is an apocalyptic number.

145176801490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145176801490 is an abundant number, since it is smaller than the sum of its proper divisors (153472618862).

145176801490 is a wasteful number, since it uses less digits than its factorization.

145176801490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073954321.

The product of its (nonzero) digits is 241920, while the sum is 46.

The spelling of 145176801490 in words is "one hundred forty-five billion, one hundred seventy-six million, eight hundred one thousand, four hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 2073954307 4147908614 10369771535 14517680149 20739543070 29035360298 72588400745 145176801490