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61028456632 = 23111324103581
BaseRepresentation
bin111000110101100101…
…000101100010111000
312211112011210211000121
4320311211011202320
51444441241103012
644011443343024
74260225215353
oct706545054270
9184464724017
1061028456632
1123977a77820
12b9b2381a74
1359a784ba00
142d4d2cb29a
1518c2ba5a07
hexe359458b8

61028456632 has 48 divisors (see below), whose sum is σ = 135171991080. Its totient is φ = 25606339200.

The previous prime is 61028456563. The next prime is 61028456633. The reversal of 61028456632 is 23665482016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61028456633) 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 11 ways as a sum of consecutive naturals, for example, 2036919 + ... + 2066662.

Almost surely, 261028456632 is an apocalyptic number.

It is an amenable number.

61028456632 is an abundant number, since it is smaller than the sum of its proper divisors (74143534448).

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

61028456632 is a wasteful number, since it uses less digits than its factorization.

61028456632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4103624 (or 4103607 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 61028456632 in words is "sixty-one billion, twenty-eight million, four hundred fifty-six thousand, six hundred thirty-two".

Divisors: 1 2 4 8 11 13 22 26 44 52 88 104 143 169 286 338 572 676 1144 1352 1859 3718 7436 14872 4103581 8207162 16414324 32828648 45139391 53346553 90278782 106693106 180557564 213386212 361115128 426772424 586812083 693505189 1173624166 1387010378 2347248332 2774020756 4694496664 5548041512 7628557079 15257114158 30514228316 61028456632