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201430440310 = 251117431249923
BaseRepresentation
bin1011101110011000110…
…0001001100101110110
3201020221000220120201011
42323212030021211312
511300012143042220
6232311425222434
720360430330631
oct2734614114566
9636830816634
10201430440310
1178476261180
1233056791a1a
1315cc1798168
149a6c078c18
15538dd2d65a
hex2ee6309976

201430440310 has 64 divisors (see below), whose sum is σ = 419776349184. Its totient is φ = 68778534400.

The previous prime is 201430440287. The next prime is 201430440347. The reversal of 201430440310 is 13044034102.

It is a super-2 number, since 2×2014304403102 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 681009 + ... + 930931.

It is an arithmetic number, because the mean of its divisors is an integer number (6559005456).

Almost surely, 2201430440310 is an apocalyptic number.

201430440310 is an abundant number, since it is smaller than the sum of its proper divisors (218345908874).

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

201430440310 is a wasteful number, since it uses less digits than its factorization.

201430440310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250389.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 201430440310 its reverse (13044034102), we get a palindrome (214474474412).

The spelling of 201430440310 in words is "two hundred one billion, four hundred thirty million, four hundred forty thousand, three hundred ten".

Divisors: 1 2 5 10 11 17 22 34 55 85 110 170 187 374 431 862 935 1870 2155 4310 4741 7327 9482 14654 23705 36635 47410 73270 80597 161194 249923 402985 499846 805970 1249615 2499230 2749153 4248691 5498306 8497382 13745765 21243455 27491530 42486910 46735601 93471202 107716813 215433626 233678005 467356010 538584065 1077168130 1184884943 1831185821 2369769886 3662371642 5924424715 9155929105 11848849430 18311858210 20143044031 40286088062 100715220155 201430440310