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105154130500 = 22532931722877
BaseRepresentation
bin110000111101110101…
…1001011001001000100
3101001102101001022002221
41201323223023021010
53210323424134000
6120150201542124
710411550235016
oct1417353131104
9331371038087
10105154130500
1140660846691
1218467aa4944
139bba5852c3
1451377a41b6
152b0698961a
hex187bacb244

105154130500 has 96 divisors (see below), whose sum is σ = 238335683040. Its totient is φ = 40481369600.

The previous prime is 105154130467. The next prime is 105154130519. The reversal of 105154130500 is 5031451501.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 78150438916 + 27003691584 = 279554^2 + 164328^2 .

It is a super-2 number, since 2×1051541305002 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4585062 + ... + 4607938.

It is an arithmetic number, because the mean of its divisors is an integer number (2482663365).

Almost surely, 2105154130500 is an apocalyptic number.

105154130500 is a gapful number since it is divisible by the number (10) 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 105154130500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119167841520).

105154130500 is an abundant number, since it is smaller than the sum of its proper divisors (133181552540).

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

105154130500 is a wasteful number, since it uses less digits than its factorization.

105154130500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23242 (or 23230 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The spelling of 105154130500 in words is "one hundred five billion, one hundred fifty-four million, one hundred thirty thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 29 50 58 100 116 125 145 250 290 317 500 580 634 725 1268 1450 1585 2900 3170 3625 6340 7250 7925 9193 14500 15850 18386 22877 31700 36772 39625 45754 45965 79250 91508 91930 114385 158500 183860 228770 229825 457540 459650 571925 663433 919300 1143850 1149125 1326866 2287700 2298250 2653732 2859625 3317165 4596500 5719250 6634330 7252009 11438500 13268660 14504018 16585825 29008036 33171650 36260045 66343300 72520090 82929125 145040180 165858250 181300225 210308261 331716500 362600450 420616522 725200900 841233044 906501125 1051541305 1813002250 2103082610 3626004500 4206165220 5257706525 10515413050 21030826100 26288532625 52577065250 105154130500