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5042978180 = 225409616501
BaseRepresentation
bin1001011001001010…
…11011110110000100
3111000110020211112122
410230211123312010
540312000300210
62152224305112
7235653415202
oct45445336604
914013224478
105042978180
1121586a2169
12b88a72198
13624a28b76
1435ba8c072
151e7ae5b55
hex12c95bd84

5042978180 has 24 divisors (see below), whose sum is σ = 10616164440. Its totient is φ = 2012256000.

The previous prime is 5042978179. The next prime is 5042978197. The reversal of 5042978180 is 818792405.

It can be written as a sum of positive squares in 4 ways, for example, as 2580436804 + 2462541376 = 50798^2 + 49624^2 .

It is a super-2 number, since 2×50429781802 = 50863257847912224800, 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, 300071 + ... + 316430.

It is an arithmetic number, because the mean of its divisors is an integer number (442340185).

Almost surely, 25042978180 is an apocalyptic number.

It is an amenable number.

5042978180 is an abundant number, since it is smaller than the sum of its proper divisors (5573186260).

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

5042978180 is a wasteful number, since it uses less digits than its factorization.

5042978180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616919 (or 616917 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 44.

The square root of 5042978180 is about 71013.9294786593. The cubic root of 5042978180 is about 1714.8614189886.

The spelling of 5042978180 in words is "five billion, forty-two million, nine hundred seventy-eight thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 409 818 1636 2045 4090 8180 616501 1233002 2466004 3082505 6165010 12330020 252148909 504297818 1008595636 1260744545 2521489090 5042978180