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12760620400 = 24521119152639
BaseRepresentation
bin10111110001001011…
…11001110101110000
31012221022100200101101
423320211321311300
5202113204323100
65510120214144
7631135324633
oct137045716560
935838320341
1012760620400
115459045a80
12258160a354
13128490a378
14890a55c1a
154ea41986a
hex2f8979d70

12760620400 has 120 divisors (see below), whose sum is σ = 35204889600. Its totient is φ = 4395974400.

The previous prime is 12760620377. The next prime is 12760620401. The reversal of 12760620400 is 402606721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12760620401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7281 + ... + 159919.

It is an arithmetic number, because the mean of its divisors is an integer number (293374080).

Almost surely, 212760620400 is an apocalyptic number.

12760620400 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 12760620400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17602444800).

12760620400 is an abundant number, since it is smaller than the sum of its proper divisors (22444269200).

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

12760620400 is a wasteful number, since it uses less digits than its factorization.

12760620400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152687 (or 152676 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The spelling of 12760620400 in words is "twelve billion, seven hundred sixty million, six hundred twenty thousand, four hundred".

Divisors: 1 2 4 5 8 10 11 16 19 20 22 25 38 40 44 50 55 76 80 88 95 100 110 152 176 190 200 209 220 275 304 380 400 418 440 475 550 760 836 880 950 1045 1100 1520 1672 1900 2090 2200 3344 3800 4180 4400 5225 7600 8360 10450 16720 20900 41800 83600 152639 305278 610556 763195 1221112 1526390 1679029 2442224 2900141 3052780 3358058 3815975 5800282 6105560 6716116 7631950 8395145 11600564 12211120 13432232 14500705 15263900 16790290 23201128 26864464 29001410 30527800 31901551 33580580 41975725 46402256 58002820 61055600 63803102 67161160 72503525 83951450 116005640 127606204 134322320 145007050 159507755 167902900 232011280 255212408 290014100 319015510 335805800 510424816 580028200 638031020 671611600 797538775 1160056400 1276062040 1595077550 2552124080 3190155100 6380310200 12760620400