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145427620120 = 2356911526073
BaseRepresentation
bin1000011101110000101…
…0010110000100011000
3111220101002201112211121
42013130022112010120
54340313432320440
6150450350335024
713335555242446
oct2073412260430
9456332645747
10145427620120
1156748111502
12242274ba474
13109381b2b33
147078403b96
153bb249534a
hex21dc296118

145427620120 has 32 divisors (see below), whose sum is σ = 327260113920. Its totient is φ = 58162520320.

The previous prime is 145427620099. The next prime is 145427620123. The reversal of 145427620120 is 21026724541.

It is a super-2 number, since 2×1454276201202 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145427620123) 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, 13404 + ... + 539476.

It is an arithmetic number, because the mean of its divisors is an integer number (10226878560).

Almost surely, 2145427620120 is an apocalyptic number.

145427620120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145427620120 is an abundant number, since it is smaller than the sum of its proper divisors (181832493800).

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

145427620120 is a wasteful number, since it uses less digits than its factorization.

145427620120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532995 (or 532991 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 145427620120 in words is "one hundred forty-five billion, four hundred twenty-seven million, six hundred twenty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 6911 13822 27644 34555 55288 69110 138220 276440 526073 1052146 2104292 2630365 4208584 5260730 10521460 21042920 3635690503 7271381006 14542762012 18178452515 29085524024 36356905030 72713810060 145427620120