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102025569088 = 26172912172657
BaseRepresentation
bin101111100000100110…
…0101010001101000000
3100202100100002220200001
41133001030222031000
53132422021202323
6114511522005344
710241201012512
oct1370114521500
9322310086601
10102025569088
113a2a5857143
12179341a6854
13980c36a031
144d1c093bb2
1529c1e9d3ad
hex17c132a340

102025569088 has 112 divisors (see below), whose sum is σ = 222023909520. Its totient is φ = 46300921856.

The previous prime is 102025569043. The next prime is 102025569089. The reversal of 102025569088 is 880965520201.

It can be written as a sum of positive squares in 8 ways, for example, as 2376757504 + 99648811584 = 48752^2 + 315672^2 .

It is a super-2 number, since 2×1020255690882 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102025569089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38397456 + ... + 38400112.

It is an arithmetic number, because the mean of its divisors is an integer number (1982356335).

Almost surely, 2102025569088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102025569088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111011954760).

102025569088 is an abundant number, since it is smaller than the sum of its proper divisors (119998340432).

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

102025569088 is a wasteful number, since it uses less digits than its factorization.

102025569088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3932 (or 3922 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 46.

The spelling of 102025569088 in words is "one hundred two billion, twenty-five million, five hundred sixty-nine thousand, eighty-eight".

Divisors: 1 2 4 8 16 17 29 32 34 58 64 68 116 136 232 272 464 493 544 928 986 1088 1217 1856 1972 2434 2657 3944 4868 5314 7888 9736 10628 15776 19472 20689 21256 31552 35293 38944 41378 42512 45169 70586 77053 77888 82756 85024 90338 141172 154106 165512 170048 180676 282344 308212 331024 361352 564688 599981 616424 662048 722704 1129376 1199962 1232848 1309901 1324096 1445408 2258752 2399924 2465696 2619802 2890816 3233569 4799848 4931392 5239604 6467138 9599696 10479208 12934276 19199392 20958416 25868552 38398784 41916832 51737104 54970673 83833664 93773501 103474208 109941346 187547002 206948416 219882692 375094004 439765384 750188008 879530768 1500376016 1594149517 1759061536 3000752032 3188299034 3518123072 6001504064 6376598068 12753196136 25506392272 51012784544 102025569088