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6129258680 = 235374141391
BaseRepresentation
bin1011011010101010…
…10001000010111000
3120211011021121020202
411231111101002320
5100023042234210
62452111141332
7304613560556
oct55525210270
916734247222
106129258680
112665896846
121230814848
13768ab4cac
14422058bd6
1525d16b9a5
hex16d5510b8

6129258680 has 32 divisors (see below), whose sum is σ = 14163560640. Its totient is φ = 2385440640.

The previous prime is 6129258649. The next prime is 6129258683. The reversal of 6129258680 is 868529216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6129258683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2069216 + ... + 2072175.

It is an arithmetic number, because the mean of its divisors is an integer number (442611270).

Almost surely, 26129258680 is an apocalyptic number.

It is an amenable number.

6129258680 is an abundant number, since it is smaller than the sum of its proper divisors (8034301960).

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

6129258680 is a wasteful number, since it uses less digits than its factorization.

6129258680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4141439 (or 4141435 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 6129258680 is about 78289.5821932906. The cubic root of 6129258680 is about 1830.0768060769.

The spelling of 6129258680 in words is "six billion, one hundred twenty-nine million, two hundred fifty-eight thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 37 40 74 148 185 296 370 740 1480 4141391 8282782 16565564 20706955 33131128 41413910 82827820 153231467 165655640 306462934 612925868 766157335 1225851736 1532314670 3064629340 6129258680