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145012323250 = 253580049293
BaseRepresentation
bin1000011100001101101…
…0000111001110110010
3111212022011021021122001
42013003122013032302
54333441123321000
6150341233204214
713322353260424
oct2070332071662
9455264237561
10145012323250
1156554748853
122413040066a
13108a0146a42
1470391ba814
153b8acae46a
hex21c36873b2

145012323250 has 16 divisors (see below), whose sum is σ = 271463069592. Its totient is φ = 58004929200.

The previous prime is 145012323229. The next prime is 145012323257. The reversal of 145012323250 is 52323210541.

It can be written as a sum of positive squares in 4 ways, for example, as 94920064281 + 50092258969 = 308091^2 + 223813^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (145012323257) 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, 290024397 + ... + 290024896.

Almost surely, 2145012323250 is an apocalyptic number.

145012323250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145012323250 is a deficient number, since it is larger than the sum of its proper divisors (126450746342).

145012323250 is an equidigital number, since it uses as much as digits as its factorization.

145012323250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580049310 (or 580049300 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 145012323250 its reverse (52323210541), we get a palindrome (197335533791).

The spelling of 145012323250 in words is "one hundred forty-five billion, twelve million, three hundred twenty-three thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 580049293 1160098586 2900246465 5800492930 14501232325 29002464650 72506161625 145012323250