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10102010240 = 275714391567
BaseRepresentation
bin10010110100010000…
…00111000110000000
3222002000201021212102
421122020013012000
5131142103311430
64350225045532
7505223445620
oct113210070600
928060637772
1010102010240
1143143598a3
121b5b1868a8
13c4cb85c6a
146bb918880
153e1d0d345
hex25a207180

10102010240 has 128 divisors (see below), whose sum is σ = 27636940800. Its totient is φ = 3458930688.

The previous prime is 10102010239. The next prime is 10102010311. The reversal of 10102010240 is 4201020101.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×101020102402 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6445937 + ... + 6447503.

It is an arithmetic number, because the mean of its divisors is an integer number (215913600).

Almost surely, 210102010240 is an apocalyptic number.

10102010240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10102010240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13818470400).

10102010240 is an abundant number, since it is smaller than the sum of its proper divisors (17534930560).

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

10102010240 is a wasteful number, since it uses less digits than its factorization.

10102010240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3032 (or 3020 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10102010240 its reverse (4201020101), we get a palindrome (14303030341).

The spelling of 10102010240 in words is "ten billion, one hundred two million, ten thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 280 320 448 560 640 896 1120 1439 1567 2240 2878 3134 4480 5756 6268 7195 7835 10073 10969 11512 12536 14390 15670 20146 21938 23024 25072 28780 31340 40292 43876 46048 50144 50365 54845 57560 62680 80584 87752 92096 100288 100730 109690 115120 125360 161168 175504 184192 200576 201460 219380 230240 250720 322336 351008 402920 438760 460480 501440 644672 702016 805840 877520 920960 1002880 1289344 1404032 1611680 1755040 2254913 3223360 3510080 4509826 6446720 7020160 9019652 11274565 15784391 18039304 22549130 31568782 36078608 45098260 63137564 72157216 78921955 90196520 126275128 144314432 157843910 180393040 252550256 288628864 315687820 360786080 505100512 631375640 721572160 1010201024 1262751280 1443144320 2020402048 2525502560 5051005120 10102010240