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6655840130 = 251275240819
BaseRepresentation
bin1100011001011100…
…00000111110000010
3122011212010201012102
412030232000332002
5102112343341010
63020241430402
7323636464502
oct61456007602
918155121172
106655840130
112906059225
12135903b402
13820c16054
14471d6da02
1528e4d5ba5
hex18cb80f82

6655840130 has 16 divisors (see below), whose sum is σ = 12074849280. Its totient is φ = 2641372272.

The previous prime is 6655840129. The next prime is 6655840157. The reversal of 6655840130 is 310485566.

It is a super-2 number, since 2×66558401302 = 88600415672236833800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2619140 + ... + 2621679.

It is an arithmetic number, because the mean of its divisors is an integer number (754678080).

Almost surely, 26655840130 is an apocalyptic number.

6655840130 is a deficient number, since it is larger than the sum of its proper divisors (5419009150).

6655840130 is a wasteful number, since it uses less digits than its factorization.

6655840130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5240953.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 6655840130 is about 81583.3324276473. The cubic root of 6655840130 is about 1881.0526896443.

It can be divided in two parts, 6655840 and 130, that multiplied together give a triangular number (865259200 = T41599).

The spelling of 6655840130 in words is "six billion, six hundred fifty-five million, eight hundred forty thousand, one hundred thirty".

Divisors: 1 2 5 10 127 254 635 1270 5240819 10481638 26204095 52408190 665584013 1331168026 3327920065 6655840130