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145230662120 = 2353630766553
BaseRepresentation
bin1000011101000001101…
…1000000100111101000
3111212212101010001020212
42013100123000213220
54334413022141440
6150415033040252
713330644155045
oct2072033004750
9455771101225
10145230662120
1156656a16aa5
1224191556088
131090645233b
14705a1b41cc
153ba003c465
hex21d06c09e8

145230662120 has 16 divisors (see below), whose sum is σ = 326768989860. Its totient is φ = 58092264832.

The previous prime is 145230662041. The next prime is 145230662123. The reversal of 145230662120 is 21266032541.

It can be written as a sum of positive squares in 2 ways, for example, as 140419575076 + 4811087044 = 374726^2 + 69362^2 .

It is not an unprimeable number, because it can be changed into a prime (145230662123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1815383237 + ... + 1815383316.

Almost surely, 2145230662120 is an apocalyptic number.

145230662120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145230662120 is an abundant number, since it is smaller than the sum of its proper divisors (181538327740).

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

145230662120 is a wasteful number, since it uses less digits than its factorization.

145230662120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3630766564 (or 3630766560 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 145230662120 its reverse (21266032541), we get a palindrome (166496694661).

The spelling of 145230662120 in words is "one hundred forty-five billion, two hundred thirty million, six hundred sixty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 3630766553 7261533106 14523066212 18153832765 29046132424 36307665530 72615331060 145230662120