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145882331907 = 31336383102811
BaseRepresentation
bin1000011111011101000…
…0111011101100000011
3111221112210100022010220
42013313100323230003
54342231334110112
6151003432354123
713353046235004
oct2076720735403
9457483308126
10145882331907
1156960856174
1224333845943
13109ab46c370
1470bc96b1ab
153bdc36498c
hex21f743bb03

145882331907 has 16 divisors (see below), whose sum is σ = 209479861248. Its totient is φ = 89770402080.

The previous prime is 145882331893. The next prime is 145882331921. The reversal of 145882331907 is 709133288541.

It is an interprime number because it is at equal distance from previous prime (145882331893) and next prime (145882331921).

It is not a de Polignac number, because 145882331907 - 27 = 145882331779 is a prime.

It is a super-2 number, since 2×1458823319072 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145882331907.

It is not an unprimeable number, because it can be changed into a prime (145882331927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1367532 + ... + 1470342.

It is an arithmetic number, because the mean of its divisors is an integer number (13092491328).

Almost surely, 2145882331907 is an apocalyptic number.

145882331907 is a deficient number, since it is larger than the sum of its proper divisors (63597529341).

145882331907 is a wasteful number, since it uses less digits than its factorization.

145882331907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139210.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 145882331907 in words is "one hundred forty-five billion, eight hundred eighty-two million, three hundred thirty-one thousand, nine hundred seven".

Divisors: 1 3 13 39 36383 102811 109149 308433 472979 1336543 1418937 4009629 3740572613 11221717839 48627443969 145882331907