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3969162142 = 21117671511049
BaseRepresentation
bin1110110010010100…
…1001101110011110
3101020121200022212021
43230211021232132
531112101142032
61453504530354
7200234215201
oct35445115636
911217608767
103969162142
1117575412a0
129293209ba
134b341526a
14299207938
151836d3097
hexec949b9e

3969162142 has 64 divisors (see below), whose sum is σ = 7032614400. Its totient is φ = 1660032000.

The previous prime is 3969162121. The next prime is 3969162143. The reversal of 3969162142 is 2412619693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3969162143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3783234 + ... + 3784282.

It is an arithmetic number, because the mean of its divisors is an integer number (109884600).

Almost surely, 23969162142 is an apocalyptic number.

3969162142 is a deficient number, since it is larger than the sum of its proper divisors (3063452258).

3969162142 is a wasteful number, since it uses less digits than its factorization.

3969162142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297.

The product of its digits is 139968, while the sum is 43.

The square root of 3969162142 is about 63001.2868281276. The cubic root of 3969162142 is about 1583.3111863150.

The spelling of 3969162142 in words is "three billion, nine hundred sixty-nine million, one hundred sixty-two thousand, one hundred forty-two".

Divisors: 1 2 11 17 22 34 67 134 151 187 302 374 737 1049 1139 1474 1661 2098 2278 2567 3322 5134 10117 11539 12529 17833 20234 23078 25058 28237 35666 56474 70283 111287 140566 158399 171989 196163 222574 316798 343978 392326 773113 1194811 1546226 1742389 1891879 2389622 2692783 3484778 3783758 5385566 10612733 13142921 21225466 26285842 29620613 59241226 116740063 180416461 233480126 360832922 1984581071 3969162142