Search a number
-
+
201583385102 = 211311381214031
BaseRepresentation
bin1011101110111101001…
…1100101101000001110
3201021022200200222112002
42323233103211220032
511300320321310402
6232334531312302
720364265334051
oct2735723455016
9637280628462
10201583385102
1178544624930
1233099a4b692
1316017388538
149a844cca98
15539c490602
hex2eef4e5a0e

201583385102 has 32 divisors (see below), whose sum is σ = 340752642048. Its totient is φ = 88608420000.

The previous prime is 201583385083. The next prime is 201583385117.

201583385102 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2015833851022 (a number of 23 digits) contains 22 as substring.

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, 834827 + ... + 1048857.

It is an arithmetic number, because the mean of its divisors is an integer number (10648520064).

Almost surely, 2201583385102 is an apocalyptic number.

201583385102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201583385102 is a deficient number, since it is larger than the sum of its proper divisors (139169256946).

201583385102 is a wasteful number, since it uses less digits than its factorization.

201583385102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215456.

The product of its (nonzero) digits is 57600, while the sum is 38.

It can be divided in two parts, 201583 and 385102, that added together give a palindrome (586685).

The spelling of 201583385102 in words is "two hundred one billion, five hundred eighty-three million, three hundred eighty-five thousand, one hundred two".

Divisors: 1 2 11 22 31 62 341 682 1381 2762 15191 30382 42811 85622 214031 428062 470921 941842 2354341 4708682 6634961 13269922 72984571 145969142 295576811 591153622 3251344921 6502689842 9162881141 18325762282 100791692551 201583385102