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145417672629 = 341795279909
BaseRepresentation
bin1000011101101110010…
…0011001011110110101
3111220100102000011110000
42013123210121132311
54340303411011004
6150445353221513
713335404552145
oct2073344313665
9456312004400
10145417672629
1156742537839
1224224101899
131093610c148
147076d74925
153bb167cc39
hex21db9197b5

145417672629 has 10 divisors (see below), whose sum is σ = 217228869110. Its totient is φ = 96945115032.

The previous prime is 145417672613. The next prime is 145417672633. The reversal of 145417672629 is 926276714541.

145417672629 is a `hidden beast` number, since 1 + 4 + 5 + 4 + 1 + 7 + 6 + 7 + 2 + 629 = 666.

It can be written as a sum of positive squares in only one way, i.e., 84951846225 + 60465826404 = 291465^2 + 245898^2 .

It is not a de Polignac number, because 145417672629 - 24 = 145417672613 is a prime.

It is a super-2 number, since 2×1454176726292 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145417672229) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 897639874 + ... + 897640035.

It is an arithmetic number, because the mean of its divisors is an integer number (21722886911).

Almost surely, 2145417672629 is an apocalyptic number.

It is an amenable number.

145417672629 is a deficient number, since it is larger than the sum of its proper divisors (71811196481).

145417672629 is an equidigital number, since it uses as much as digits as its factorization.

145417672629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795279921 (or 1795279912 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The spelling of 145417672629 in words is "one hundred forty-five billion, four hundred seventeen million, six hundred seventy-two thousand, six hundred twenty-nine".

Divisors: 1 3 9 27 81 1795279909 5385839727 16157519181 48472557543 145417672629