Base | Representation |
---|---|
bin | 1000000110100110011… |
… | …0100011011011110100 |
3 | 111022022211102122110221 |
4 | 2001221212203123310 |
5 | 4240100412332024 |
6 | 143541423424124 |
7 | 13025525103100 |
oct | 2015146433364 |
9 | 438284378427 |
10 | 139210667764 |
11 | 5404787a153 |
12 | 22b91455044 |
13 | 101871a58bc |
14 | 6a4887c900 |
15 | 394b7a53e4 |
hex | 20699a36f4 |
139210667764 has 18 divisors (see below), whose sum is σ = 283393145490. Its totient is φ = 59661714672.
The previous prime is 139210667759. The next prime is 139210667773. The reversal of 139210667764 is 467766012931.
It can be written as a sum of positive squares in only one way, i.e., 91530451600 + 47680216164 = 302540^2 + 218358^2 .
It is a super-2 number, since 2×1392106677642 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 355129059 + ... + 355129450.
Almost surely, 2139210667764 is an apocalyptic number.
139210667764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
139210667764 is an abundant number, since it is smaller than the sum of its proper divisors (144182477726).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
139210667764 is a wasteful number, since it uses less digits than its factorization.
139210667764 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 710258527 (or 710258518 counting only the distinct ones).
The product of its (nonzero) digits is 2286144, while the sum is 52.
The spelling of 139210667764 in words is "one hundred thirty-nine billion, two hundred ten million, six hundred sixty-seven thousand, seven hundred sixty-four".
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