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89619508552 = 23741272914303
BaseRepresentation
bin101001101110110111…
…1010010110101001000
322120022201220201222111
41103131233102311020
52432020043233202
6105100505032104
76321566153020
oct1233557226510
9276281821874
1089619508552
1135009970252
1215451485634
1385b3051502
1444a2574a80
1524e7c6d6d7
hex14ddbd2d48

89619508552 has 64 divisors (see below), whose sum is σ = 196811596800. Its totient is φ = 37455221760.

The previous prime is 89619508499. The next prime is 89619508571. The reversal of 89619508552 is 25580591698.

It is a super-2 number, since 2×896195085522 (a number of 23 digits) contains 22 as substring.

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, 6258633 + ... + 6272935.

It is an arithmetic number, because the mean of its divisors is an integer number (3075181200).

Almost surely, 289619508552 is an apocalyptic number.

89619508552 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89619508552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98405798400).

89619508552 is an abundant number, since it is smaller than the sum of its proper divisors (107192088248).

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

89619508552 is a wasteful number, since it uses less digits than its factorization.

89619508552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17086 (or 17082 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 58.

The spelling of 89619508552 in words is "eighty-nine billion, six hundred nineteen million, five hundred eight thousand, five hundred fifty-two".

Divisors: 1 2 4 7 8 14 28 41 56 82 164 287 328 574 1148 2296 2729 5458 10916 14303 19103 21832 28606 38206 57212 76412 100121 111889 114424 152824 200242 223778 400484 447556 586423 783223 800968 895112 1172846 1566446 2345692 3132892 4104961 4691384 6265784 8209922 16419844 32839688 39032887 78065774 156131548 273230209 312263096 546460418 1092920836 1600348367 2185841672 3200696734 6401393468 11202438569 12802786936 22404877138 44809754276 89619508552