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159140428909 = 71123181496459
BaseRepresentation
bin1001010000110110000…
…0100011110001101101
3120012202202210102010121
42110031200203301231
510101404422211114
6201035203404541
714332435220020
oct2241540436155
9505682712117
10159140428909
1161544694730
1226a13983751
131201215a087
1479b96bd1b7
154216299a24
hex250d823c6d

159140428909 has 32 divisors (see below), whose sum is σ = 208179578880. Its totient is φ = 117958420800.

The previous prime is 159140428907. The next prime is 159140429009. The reversal of 159140428909 is 909824041951.

It is not a de Polignac number, because 159140428909 - 21 = 159140428907 is a prime.

It is a super-2 number, since 2×1591404289092 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159140428903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72322 + ... + 568780.

It is an arithmetic number, because the mean of its divisors is an integer number (6505611840).

Almost surely, 2159140428909 is an apocalyptic number.

It is an amenable number.

159140428909 is a deficient number, since it is larger than the sum of its proper divisors (49039149971).

159140428909 is a wasteful number, since it uses less digits than its factorization.

159140428909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496681.

The product of its (nonzero) digits is 933120, while the sum is 52.

It can be divided in two parts, 15914042 and 8909, that added together give a palindrome (15922951).

The spelling of 159140428909 in words is "one hundred fifty-nine billion, one hundred forty million, four hundred twenty-eight thousand, nine hundred nine".

Divisors: 1 7 11 23 77 161 181 253 1267 1771 1991 4163 13937 29141 45793 320551 496459 3475213 5461049 11418557 38227343 79929899 89859079 125604127 629013553 879228889 988449869 2066758817 6919149083 14467311719 22734346987 159140428909