Search a number
-
+
202904013312 = 29337112133143
BaseRepresentation
bin1011110011111000000…
…1011000101000000000
3201101201201200211212000
42330332001120220000
511311021411411222
6233113545104000
720442102441060
oct2747601305000
9641651624760
10202904013312
1179062031400
12333a8188000
1316197b66850
149b6ba5d3a0
1554283a79ac
hex2f3e058a00

202904013312 has 1920 divisors, whose sum is σ = 858238402560. Its totient is φ = 45984153600.

The previous prime is 202904013253. The next prime is 202904013337. The reversal of 202904013312 is 213310409202.

It is a happy number.

202904013312 is a `hidden beast` number, since 2 + 0 + 290 + 40 + 1 + 331 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 4718697963 + ... + 4718698005.

It is an arithmetic number, because the mean of its divisors is an integer number (446999168).

Almost surely, 2202904013312 is an apocalyptic number.

202904013312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202904013312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429119201280).

202904013312 is an abundant number, since it is smaller than the sum of its proper divisors (655334389248).

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

202904013312 is a wasteful number, since it uses less digits than its factorization.

202904013312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The spelling of 202904013312 in words is "two hundred two billion, nine hundred four million, thirteen thousand, three hundred twelve".