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6144862542 = 23721319372287
BaseRepresentation
bin1011011100100001…
…10010100101001110
3120212020122100201120
411232100302211032
5100041041100132
62453425421410
7305163320100
oct55620624516
916766570646
106144862542
1126736841a5
121235a9a866
1376c0b9450
1442415b570
1525e70002c
hex16e43294e

6144862542 has 192 divisors, whose sum is σ = 16651514880. Its totient is φ = 1493178624.

The previous prime is 6144862541. The next prime is 6144862553. The reversal of 6144862542 is 2452684416.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 6144862494 and 6144862503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6144862541) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2685723 + ... + 2688009.

It is an arithmetic number, because the mean of its divisors is an integer number (86726640).

Almost surely, 26144862542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6144862542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8325757440).

6144862542 is an abundant number, since it is smaller than the sum of its proper divisors (10506652338).

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

6144862542 is a wasteful number, since it uses less digits than its factorization.

6144862542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375 (or 2368 counting only the distinct ones).

The product of its digits is 368640, while the sum is 42.

The square root of 6144862542 is about 78389.1736274851. The cubic root of 6144862542 is about 1831.6284927651.

The spelling of 6144862542 in words is "six billion, one hundred forty-four million, eight hundred sixty-two thousand, five hundred forty-two".