Search a number
-
+
57131872152 = 2334675097419
BaseRepresentation
bin110101001101010100…
…110010111110011000
312110110121200210222220
4311031110302332120
51414001224402102
642125050144040
74061531620635
oct651524627630
9173417623886
1057131872152
11222584a8173
12b0a5422020
135506498614
142a9d9b718c
151745a5c1bc
hexd4d532f98

57131872152 has 32 divisors (see below), whose sum is σ = 143135553600. Its totient is φ = 19003174304.

The previous prime is 57131872123. The next prime is 57131872163. The reversal of 57131872152 is 25127813175.

It is a super-2 number, since 2×571318721522 (a number of 22 digits) contains 22 as substring.

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, 2537502 + ... + 2559917.

It is an arithmetic number, because the mean of its divisors is an integer number (4472986050).

Almost surely, 257131872152 is an apocalyptic number.

It is an amenable number.

57131872152 is an abundant number, since it is smaller than the sum of its proper divisors (86003681448).

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

57131872152 is a wasteful number, since it uses less digits than its factorization.

57131872152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5097895 (or 5097891 counting only the distinct ones).

The product of its digits is 117600, while the sum is 42.

The spelling of 57131872152 in words is "fifty-seven billion, one hundred thirty-one million, eight hundred seventy-two thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 467 934 1401 1868 2802 3736 5604 11208 5097419 10194838 15292257 20389676 30584514 40779352 61169028 122338056 2380494673 4760989346 7141484019 9521978692 14282968038 19043957384 28565936076 57131872152