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203200341320 = 235311491099807
BaseRepresentation
bin1011110100111110101…
…1110010010101001000
3201102111101021212110102
42331033223302111020
511312123241410240
6233203212304532
720452331255114
oct2751753622510
9642441255412
10203200341320
11791a4327a89
123346b472148
131621437a172
149b99158744
1554443dd815
hex2f4faf2548

203200341320 has 64 divisors (see below), whose sum is σ = 475117056000. Its totient is φ = 78130218240.

The previous prime is 203200341313. The next prime is 203200341361. The reversal of 203200341320 is 23143002302.

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

It is a junction number, because it is equal to n+sod(n) for n = 203200341292 and 203200341301.

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, 365144 + ... + 734663.

It is an arithmetic number, because the mean of its divisors is an integer number (7423704000).

Almost surely, 2203200341320 is an apocalyptic number.

203200341320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203200341320 is an abundant number, since it is smaller than the sum of its proper divisors (271916714680).

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

203200341320 is a wasteful number, since it uses less digits than its factorization.

203200341320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099998 (or 1099994 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 203200341320 its reverse (23143002302), we get a palindrome (226343343622).

The spelling of 203200341320 in words is "two hundred three billion, two hundred million, three hundred forty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 31 40 62 124 149 155 248 298 310 596 620 745 1192 1240 1490 2980 4619 5960 9238 18476 23095 36952 46190 92380 184760 1099807 2199614 4399228 5499035 8798456 10998070 21996140 34094017 43992280 68188034 136376068 163871243 170470085 272752136 327742486 340940170 655484972 681880340 819356215 1310969944 1363760680 1638712430 3277424860 5080008533 6554849720 10160017066 20320034132 25400042665 40640068264 50800085330 101600170660 203200341320