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145796304687 = 31123617311329
BaseRepresentation
bin1000011111001000100…
…0110000111100101111
3111221022210110122222120
42013302020300330233
54342042323222222
6150551120444023
713350653066535
oct2076210607457
9457283418876
10145796304687
11569172386a0
122430aa79613
13109966ab797
1470b1376155
153bd4a2015c
hex21f2230f2f

145796304687 has 32 divisors (see below), whose sum is σ = 221647034880. Its totient is φ = 84382341120.

The previous prime is 145796304677. The next prime is 145796304697. The reversal of 145796304687 is 786403697541.

145796304687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (145796304677) and next prime (145796304697).

It is not a de Polignac number, because 145796304687 - 216 = 145796239151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145796304687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145796304637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 312639 + ... + 623967.

It is an arithmetic number, because the mean of its divisors is an integer number (6926469840).

Almost surely, 2145796304687 is an apocalyptic number.

145796304687 is a deficient number, since it is larger than the sum of its proper divisors (75850730193).

145796304687 is a wasteful number, since it uses less digits than its factorization.

145796304687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311983.

The product of its (nonzero) digits is 30481920, while the sum is 60.

The spelling of 145796304687 in words is "one hundred forty-five billion, seven hundred ninety-six million, three hundred four thousand, six hundred eighty-seven".

Divisors: 1 3 11 23 33 69 253 617 759 1851 6787 14191 20361 42573 156101 311329 468303 933987 3424619 7160567 10273857 21481701 78766237 192089993 236298711 576269979 2112989923 4418069839 6338969769 13254209517 48598768229 145796304687