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204040046460 = 223523891423469
BaseRepresentation
bin1011111000000110111…
…1000000011101111100
3201111122220100022100210
42332001233000131330
511320333222441320
6233422410152420
720512205531055
oct2760157003574
9644586308323
10204040046460
1179595317978
1233664722710
1316319322603
149c3889b72c
155492eaa0e0
hex2f81bc077c

204040046460 has 48 divisors (see below), whose sum is σ = 571551674400. Its totient is φ = 54387865344.

The previous prime is 204040046393. The next prime is 204040046467. The reversal of 204040046460 is 64640040402.

204040046460 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204040046467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 568395 + ... + 855074.

It is an arithmetic number, because the mean of its divisors is an integer number (11907326550).

Almost surely, 2204040046460 is an apocalyptic number.

204040046460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204040046460 is an abundant number, since it is smaller than the sum of its proper divisors (367511627940).

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

204040046460 is a wasteful number, since it uses less digits than its factorization.

204040046460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425870 (or 1425868 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 204040046460 its reverse (64640040402), we get a palindrome (268680086862).

The spelling of 204040046460 in words is "two hundred four billion, forty million, forty-six thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2389 4778 7167 9556 11945 14334 23890 28668 35835 47780 71670 143340 1423469 2846938 4270407 5693876 7117345 8540814 14234690 17081628 21352035 28469380 42704070 85408140 3400667441 6801334882 10202002323 13602669764 17003337205 20404004646 34006674410 40808009292 51010011615 68013348820 102020023230 204040046460