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81495096662 = 273557213281
BaseRepresentation
bin100101111100101111…
…1000111110101010110
321210100112101212001102
41023321133013311112
52313400221043122
6101234402430102
75613344615000
oct1137137076526
9253315355042
1081495096662
113161a948361
1213964662332
1378b9acb2b5
143d31563370
1521be89a492
hex12f97c7d56

81495096662 has 32 divisors (see below), whose sum is σ = 142813627200. Its totient is φ = 34863601920.

The previous prime is 81495096653. The next prime is 81495096671. The reversal of 81495096662 is 26669059418.

It is an interprime number because it is at equal distance from previous prime (81495096653) and next prime (81495096671).

It is a junction number, because it is equal to n+sod(n) for n = 81495096598 and 81495096607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275462 + ... + 488742.

It is an arithmetic number, because the mean of its divisors is an integer number (4462925850).

Almost surely, 281495096662 is an apocalyptic number.

81495096662 is a deficient number, since it is larger than the sum of its proper divisors (61318530538).

81495096662 is a wasteful number, since it uses less digits than its factorization.

81495096662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213861 (or 213847 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 56.

The spelling of 81495096662 in words is "eighty-one billion, four hundred ninety-five million, ninety-six thousand, six hundred sixty-two".

Divisors: 1 2 7 14 49 98 343 557 686 1114 3899 7798 27293 54586 191051 213281 382102 426562 1492967 2985934 10450769 20901538 73155383 118797517 146310766 237595034 831582619 1663165238 5821078333 11642156666 40747548331 81495096662