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102011010 = 235101131257
BaseRepresentation
bin1100001010010…
…01000010000010
321002221200210120
412011021002002
5202103323020
614042241110
72346036123
oct605110202
9232850716
10102011010
1152645422
122a1b6196
1318198c5a
14d79604a
158e50740
hex6149082

102011010 has 64 divisors (see below), whose sum is σ = 250107264. Its totient is φ = 26624000.

The previous prime is 102010991. The next prime is 102011017. The reversal of 102011010 is 10110201.

Adding to 102011010 its reverse (10110201), we get a palindrome (112121211).

It can be divided in two parts, 10201 and 1010, that added together give a palindrome (11211).

It is a super-2 number, since 2×1020110102 = 20812492322440200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a self number, because there is not a number n which added to its sum of digits gives 102011010.

It is not an unprimeable number, because it can be changed into a prime (102011017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 396802 + ... + 397058.

It is an arithmetic number, because the mean of its divisors is an integer number (3907926).

Almost surely, 2102011010 is an apocalyptic number.

102011010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102011010 is an abundant number, since it is smaller than the sum of its proper divisors (148096254).

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

102011010 is a wasteful number, since it uses less digits than its factorization.

102011010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499.

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 102011010 is about 10100.0499998762. The cubic root of 102011010 is about 467.2496834527.

The spelling of 102011010 in words is "one hundred two million, eleven thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 101 131 202 257 262 303 393 505 514 606 655 771 786 1010 1285 1310 1515 1542 1965 2570 3030 3855 3930 7710 13231 25957 26462 33667 39693 51914 66155 67334 77871 79386 101001 129785 132310 155742 168335 198465 202002 259570 336670 389355 396930 505005 778710 1010010 3400367 6800734 10201101 17001835 20402202 34003670 51005505 102011010