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2200385768 = 23725999371
BaseRepresentation
bin1000001100100111…
…0011100011101000
312200100102011211012
42003021303203220
514001244321033
61002201523052
7105345653600
oct20311634350
95610364735
102200385768
11a2a073439
12514aa3488
13290b38119
1416c33bc00
15cd296248
hex832738e8

2200385768 has 48 divisors (see below), whose sum is σ = 4807836000. Its totient is φ = 941347680.

The previous prime is 2200385767. The next prime is 2200385777. The reversal of 2200385768 is 8675830022.

It is not an unprimeable number, because it can be changed into a prime (2200385767) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 230123 + ... + 239493.

It is an arithmetic number, because the mean of its divisors is an integer number (100163250).

Almost surely, 22200385768 is an apocalyptic number.

2200385768 is a gapful number since it is divisible by the number (28) 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 2200385768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2403918000).

2200385768 is an abundant number, since it is smaller than the sum of its proper divisors (2607450232).

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

2200385768 is a wasteful number, since it uses less digits than its factorization.

2200385768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9990 (or 9979 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 2200385768 is about 46908.2697186754. The cubic root of 2200385768 is about 1300.6674615845.

The spelling of 2200385768 in words is "two billion, two hundred million, three hundred eighty-five thousand, seven hundred sixty-eight".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 599 1198 2396 4193 4792 8386 9371 16772 18742 29351 33544 37484 58702 65597 74968 117404 131194 234808 262388 459179 524776 918358 1836716 3673432 5613229 11226458 22452916 39292603 44905832 78585206 157170412 275048221 314340824 550096442 1100192884 2200385768