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54930619856 = 2474111962243
BaseRepresentation
bin110011001010000111…
…101011110111010000
312020210012122121112002
4303022013223313100
51344444214313411
641122413453132
73653142364520
oct631207536720
9166705577462
1054930619856
11213289a27a2
12a7901a11a8
135245418c78
1429314d1680
15166769433b
hexcca1ebdd0

54930619856 has 40 divisors (see below), whose sum is σ = 124598733504. Its totient is φ = 22967504640.

The previous prime is 54930619831. The next prime is 54930619949. The reversal of 54930619856 is 65891603945.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5976530 + ... + 5985713.

Almost surely, 254930619856 is an apocalyptic number.

54930619856 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

54930619856 is an abundant number, since it is smaller than the sum of its proper divisors (69668113648).

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

54930619856 is a wasteful number, since it uses less digits than its factorization.

54930619856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11962299 (or 11962293 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 56.

The spelling of 54930619856 in words is "fifty-four billion, nine hundred thirty million, six hundred nineteen thousand, eight hundred fifty-six".

Divisors: 1 2 4 7 8 14 16 28 41 56 82 112 164 287 328 574 656 1148 2296 4592 11962243 23924486 47848972 83735701 95697944 167471402 191395888 334942804 490451963 669885608 980903926 1339771216 1961807852 3433163741 3923615704 6866327482 7847231408 13732654964 27465309928 54930619856