Search a number
-
+
208529131152 = 2437196042221
BaseRepresentation
bin1100001000110101001…
…1100000011010010000
3201221020202100102212210
43002031103200122100
511404031424144102
6235444050552120
721031355240406
oct3021523403220
9657222312783
10208529131152
1180489292721
12344b7b98640
1316883376a44
14a142b65476
15565713e36c
hex308d4e0690

208529131152 has 40 divisors (see below), whose sum is σ = 539449580160. Its totient is φ = 69413023360.

The previous prime is 208529131147. The next prime is 208529131157. The reversal of 208529131152 is 251131925802.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (208529131147) and next prime (208529131157).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 208529131152.

It is not an unprimeable number, because it can be changed into a prime (208529131157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2986599 + ... + 3055622.

It is an arithmetic number, because the mean of its divisors is an integer number (13486239504).

Almost surely, 2208529131152 is an apocalyptic number.

It is an amenable number.

208529131152 is an abundant number, since it is smaller than the sum of its proper divisors (330920449008).

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

208529131152 is a wasteful number, since it uses less digits than its factorization.

208529131152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6042951 (or 6042945 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 39.

The spelling of 208529131152 in words is "two hundred eight billion, five hundred twenty-nine million, one hundred thirty-one thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 719 1438 2157 2876 4314 5752 8628 11504 17256 34512 6042221 12084442 18126663 24168884 36253326 48337768 72506652 96675536 145013304 290026608 4344356899 8688713798 13033070697 17377427596 26066141394 34754855192 52132282788 69509710384 104264565576 208529131152