Search a number
-
+
12692275600 = 24524321312
BaseRepresentation
bin10111101001000010…
…01100000110010000
31012202112202101221111
423310201030012100
5201443210304400
65455235303104
7626345363644
oct136441140620
935675671844
1012692275600
115423505574
12256274aa94
1312736cb064
14885944c24
154e44193ba
hex2f484c190

12692275600 has 135 divisors (see below), whose sum is σ = 31458958689. Its totient is φ = 4920988800.

The previous prime is 12692275573. The next prime is 12692275601. The reversal of 12692275600 is 657229621.

The square root of 12692275600 is 112660.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4569219216 + 8123056384 = 67596^2 + 90128^2 .

It is a super-2 number, since 2×126922756002 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12692275601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 96887535 + ... + 96887665.

Almost surely, 212692275600 is an apocalyptic number.

12692275600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12692275600 is the 112660-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12692275600

12692275600 is an abundant number, since it is smaller than the sum of its proper divisors (18766683089).

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

12692275600 is an equidigital number, since it uses as much as digits as its factorization.

12692275600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 12692275600 in words is "twelve billion, six hundred ninety-two million, two hundred seventy-five thousand, six hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 43 50 80 86 100 131 172 200 215 262 344 400 430 524 655 688 860 1048 1075 1310 1720 1849 2096 2150 2620 3275 3440 3698 4300 5240 5633 6550 7396 8600 9245 10480 11266 13100 14792 17161 17200 18490 22532 26200 28165 29584 34322 36980 45064 46225 52400 56330 68644 73960 85805 90128 92450 112660 137288 140825 147920 171610 184900 225320 242219 274576 281650 343220 369800 429025 450640 484438 563300 686440 737923 739600 858050 968876 1126600 1211095 1372880 1475846 1716100 1937752 2253200 2422190 2951692 3432200 3689615 3875504 4844380 5903384 6055475 6864400 7379230 9688760 11806768 12110950 14758460 18448075 19377520 24221900 29516920 31730689 36896150 48443800 59033840 63461378 73792300 96887600 126922756 147584600 158653445 253845512 295169200 317306890 507691024 634613780 793267225 1269227560 1586534450 2538455120 3173068900 6346137800 12692275600