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145892186680 = 2358634226309
BaseRepresentation
bin1000011111011111011…
…0100001101000111000
3111221120110212222100111
42013313312201220320
54342241344433210
6151004423514104
713353226061062
oct2076766415070
9457513788314
10145892186680
1156966377209
1224336bb8934
13109b050caa6
1470bddb4732
153bdd15e88a
hex21f7da1a38

145892186680 has 32 divisors (see below), whose sum is σ = 328637865600. Its totient is φ = 58289239936.

The previous prime is 145892186669. The next prime is 145892186681. The reversal of 145892186680 is 86681298541.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145892186681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2078635 + ... + 2147674.

It is an arithmetic number, because the mean of its divisors is an integer number (10269933300).

Almost surely, 2145892186680 is an apocalyptic number.

145892186680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145892186680 is an abundant number, since it is smaller than the sum of its proper divisors (182745678920).

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

145892186680 is a wasteful number, since it uses less digits than its factorization.

145892186680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4227183 (or 4227179 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 58.

The spelling of 145892186680 in words is "one hundred forty-five billion, eight hundred ninety-two million, one hundred eighty-six thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 863 1726 3452 4315 6904 8630 17260 34520 4226309 8452618 16905236 21131545 33810472 42263090 84526180 169052360 3647304667 7294609334 14589218668 18236523335 29178437336 36473046670 72946093340 145892186680