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200412222140 = 225134951155689
BaseRepresentation
bin1011101010100101111…
…1111101001010111100
3201011022001221201222002
42322221133331022330
511240421012102030
6232022413241432
720323254531554
oct2725137751274
9634261851862
10200412222140
1177aa3524859
1232a11793278
1315b8b84c8c0
1499b2b48164
15532e74e245
hex2ea97fd2bc

200412222140 has 48 divisors (see below), whose sum is σ = 453334405440. Its totient is φ = 73982937600.

The previous prime is 200412222113. The next prime is 200412222161. The reversal of 200412222140 is 41222214002.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1209416 + ... + 1365104.

It is an arithmetic number, because the mean of its divisors is an integer number (9444466780).

Almost surely, 2200412222140 is an apocalyptic number.

200412222140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200412222140 is an abundant number, since it is smaller than the sum of its proper divisors (252922183300).

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

200412222140 is a wasteful number, since it uses less digits than its factorization.

200412222140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160662 (or 160660 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 200412222140 its reverse (41222214002), we get a palindrome (241634436142).

The spelling of 200412222140 in words is "two hundred billion, four hundred twelve million, two hundred twenty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 4951 9902 19804 24755 49510 64363 99020 128726 155689 257452 311378 321815 622756 643630 778445 1287260 1556890 2023957 3113780 4047914 8095828 10119785 20239570 40479140 770816239 1541632478 3083264956 3854081195 7708162390 10020611107 15416324780 20041222214 40082444428 50103055535 100206111070 200412222140