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145081108768 = 254533784649
BaseRepresentation
bin1000011100011110000…
…0100000100100100000
3111212110221200221121211
42013013200200210200
54334111230440033
6150352131355504
713324150035331
oct2070740404440
9455427627554
10145081108768
115658a55a392
122414b452b94
13108b147b82b
1470443a4288
153b91d4a2cd
hex21c7820920

145081108768 has 12 divisors (see below), whose sum is σ = 285628432950. Its totient is φ = 72540554368.

The previous prime is 145081108763. The next prime is 145081108769. The reversal of 145081108768 is 867801180541.

It can be written as a sum of positive squares in only one way, i.e., 141565567504 + 3515541264 = 376252^2 + 59292^2 .

It is not an unprimeable number, because it can be changed into a prime (145081108763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2266892293 + ... + 2266892356.

Almost surely, 2145081108768 is an apocalyptic number.

It is an amenable number.

145081108768 is a deficient number, since it is larger than the sum of its proper divisors (140547324182).

145081108768 is an equidigital number, since it uses as much as digits as its factorization.

145081108768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4533784659 (or 4533784651 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 49.

The spelling of 145081108768 in words is "one hundred forty-five billion, eighty-one million, one hundred eight thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 16 32 4533784649 9067569298 18135138596 36270277192 72540554384 145081108768