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57071785430 = 25111607322859
BaseRepresentation
bin110101001001101111…
…100101010111010110
312110022102122002111202
4311021233211113112
51413340334113210
642115102232502
74060202112662
oct651157452726
9173272562452
1057071785430
1122227598120
12b089285732
1354c6bbb04a
142a95a158a2
15174063d9a5
hexd49be55d6

57071785430 has 32 divisors (see below), whose sum is σ = 112138318080. Its totient is φ = 20740397920.

The previous prime is 57071785411. The next prime is 57071785457. The reversal of 57071785430 is 3458717075.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15341 + ... + 338199.

It is an arithmetic number, because the mean of its divisors is an integer number (3504322440).

Almost surely, 257071785430 is an apocalyptic number.

57071785430 is a deficient number, since it is larger than the sum of its proper divisors (55066532650).

57071785430 is a wasteful number, since it uses less digits than its factorization.

57071785430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324484.

The product of its (nonzero) digits is 823200, while the sum is 47.

The spelling of 57071785430 in words is "fifty-seven billion, seventy-one million, seven hundred eighty-five thousand, four hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 1607 3214 8035 16070 17677 35354 88385 176770 322859 645718 1614295 3228590 3551449 7102898 17757245 35514490 518834413 1037668826 2594172065 5188344130 5707178543 11414357086 28535892715 57071785430