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61028045552 = 247352250039
BaseRepresentation
bin111000110101100011…
…100001001011110000
312211112011000221010102
4320311203201023300
51444441134424202
644011430451532
74260221554025
oct706543411360
9184464027112
1061028045552
1123977816991
12b9b2203ba8
1359a7736876
142d4d22154c
1518c2b23d02
hexe358e12f0

61028045552 has 20 divisors (see below), whose sum is σ = 119861591760. Its totient is φ = 30096021888.

The previous prime is 61028045503. The next prime is 61028045557. The reversal of 61028045552 is 25554082016.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61028045557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26123852 + ... + 26126187.

It is an arithmetic number, because the mean of its divisors is an integer number (5993079588).

Almost surely, 261028045552 is an apocalyptic number.

It is an amenable number.

61028045552 is a deficient number, since it is larger than the sum of its proper divisors (58833546208).

61028045552 is a wasteful number, since it uses less digits than its factorization.

61028045552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52250120 (or 52250114 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 38.

The spelling of 61028045552 in words is "sixty-one billion, twenty-eight million, forty-five thousand, five hundred fifty-two".

Divisors: 1 2 4 8 16 73 146 292 584 1168 52250039 104500078 209000156 418000312 836000624 3814252847 7628505694 15257011388 30514022776 61028045552