Base | Representation |
---|---|
bin | 100100101100110110… |
… | …100011101111111100 |
3 | 10202201100121110010220 |
4 | 210230312203233330 |
5 | 1121201221032442 |
6 | 30034201101340 |
7 | 2563355501403 |
oct | 445466435774 |
9 | 122640543126 |
10 | 39407205372 |
11 | 15792381727 |
12 | 7779487850 |
13 | 394030a502 |
14 | 1c9b97c63a |
15 | 105993deec |
hex | 92cda3bfc |
39407205372 has 12 divisors (see below), whose sum is σ = 91950145896. Its totient is φ = 13135735120.
The previous prime is 39407205371. The next prime is 39407205401. The reversal of 39407205372 is 27350270493.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (39407205371) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1641966879 + ... + 1641966902.
It is an arithmetic number, because the mean of its divisors is an integer number (7662512158).
Almost surely, 239407205372 is an apocalyptic number.
It is an amenable number.
39407205372 is an abundant number, since it is smaller than the sum of its proper divisors (52542940524).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
39407205372 is a wasteful number, since it uses less digits than its factorization.
39407205372 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3283933788 (or 3283933786 counting only the distinct ones).
The product of its (nonzero) digits is 317520, while the sum is 42.
The spelling of 39407205372 in words is "thirty-nine billion, four hundred seven million, two hundred five thousand, three hundred seventy-two".
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