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88129887068652 = 223111323950595619
BaseRepresentation
bin10100000010011101010110…
…100111001110000111101100
3102120001010122100200011102120
4110002131112213032013230
543022410002042144102
6511234151115152540
724364113521033202
oct2402352647160754
9376033570604376
1088129887068652
1126098747788510
129a741b4a45750
133a237c710a500
1417a971b703072
15a2c6d98566bc
hex5027569ce1ec

88129887068652 has 72 divisors (see below), whose sum is σ = 242914223482560. Its totient is φ = 24651716656320.

The previous prime is 88129887068627. The next prime is 88129887068687. The reversal of 88129887068652 is 25686078892188.

It is a happy number.

It is a super-2 number, since 2×881298870686522 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (78).

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 23 ways as a sum of consecutive naturals, for example, 1975275502 + ... + 1975320117.

It is an arithmetic number, because the mean of its divisors is an integer number (3373808659480).

Almost surely, 288129887068652 is an apocalyptic number.

It is an amenable number.

88129887068652 is an abundant number, since it is smaller than the sum of its proper divisors (154784336413908).

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

88129887068652 is a wasteful number, since it uses less digits than its factorization.

88129887068652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3950595663 (or 3950595648 counting only the distinct ones).

The product of its (nonzero) digits is 1486356480, while the sum is 78.

The spelling of 88129887068652 in words is "eighty-eight trillion, one hundred twenty-nine billion, eight hundred eighty-seven million, sixty-eight thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 11 12 13 22 26 33 39 44 52 66 78 132 143 156 169 286 338 429 507 572 676 858 1014 1716 1859 2028 3718 5577 7436 11154 22308 3950595619 7901191238 11851786857 15802382476 23703573714 43456551809 47407147428 51357743047 86913103618 102715486094 130369655427 154073229141 173826207236 205430972188 260739310854 308146458282 521478621708 564935173517 616292916564 667650659611 1129870347034 1335301319222 1694805520551 2002951978833 2259740694068 2670602638444 3389611041102 4005903957666 6779222082204 7344157255721 8011807915332 14688314511442 22032471767163 29376629022884 44064943534326 88129887068652