Search a number
-
+
39612635020 = 2257282947393
BaseRepresentation
bin100100111001000110…
…001101011110001100
310210020200011100122101
4210321012031132030
51122111313310040
630110420124444
72601431561560
oct447106153614
9123220140571
1039612635020
1115888332aa2
127816236724
133973a4600a
141cbad756a0
15106c9bc09a
hex93918d78c

39612635020 has 24 divisors (see below), whose sum is σ = 95070324384. Its totient is φ = 13581474816.

The previous prime is 39612635011. The next prime is 39612635021. The reversal of 39612635020 is 2053621693.

It is not an unprimeable number, because it can be changed into a prime (39612635021) 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 7 ways as a sum of consecutive naturals, for example, 141473557 + ... + 141473836.

It is an arithmetic number, because the mean of its divisors is an integer number (3961263516).

Almost surely, 239612635020 is an apocalyptic number.

It is an amenable number.

39612635020 is an abundant number, since it is smaller than the sum of its proper divisors (55457689364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39612635020 is a wasteful number, since it uses less digits than its factorization.

39612635020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282947409 (or 282947407 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 37.

The spelling of 39612635020 in words is "thirty-nine billion, six hundred twelve million, six hundred thirty-five thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 282947393 565894786 1131789572 1414736965 1980631751 2829473930 3961263502 5658947860 7922527004 9903158755 19806317510 39612635020