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12988158396 = 22319378917299
BaseRepresentation
bin11000001100010011…
…11001000110111100
31020112011111210211120
430012021321012330
5203044432032041
65544445150540
7636600345003
oct140611710674
936464453746
1012988158396
115565527704
12262585b450
1312bcab6b35
148b2d65c3a
155103b3366
hex3062791bc

12988158396 has 96 divisors (see below), whose sum is σ = 33132960000. Its totient is φ = 3945604608.

The previous prime is 12988158353. The next prime is 12988158487. The reversal of 12988158396 is 69385188921.

It is a congruent number.

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, 742155 + ... + 759453.

It is an arithmetic number, because the mean of its divisors is an integer number (345135000).

Almost surely, 212988158396 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 12988158396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16566480000).

12988158396 is an abundant number, since it is smaller than the sum of its proper divisors (20144801604).

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

12988158396 is a wasteful number, since it uses less digits than its factorization.

12988158396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17451 (or 17449 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 60.

The spelling of 12988158396 in words is "twelve billion, nine hundred eighty-eight million, one hundred fifty-eight thousand, three hundred ninety-six".

Divisors: 1 2 3 4 6 12 19 37 38 57 74 76 89 111 114 148 178 222 228 267 356 444 534 703 1068 1406 1691 2109 2812 3293 3382 4218 5073 6586 6764 8436 9879 10146 13172 17299 19758 20292 34598 39516 51897 62567 69196 103794 125134 187701 207588 250268 328681 375402 640063 657362 750804 986043 1280126 1314724 1539611 1920189 1972086 2560252 3079222 3840378 3944172 4618833 6158444 7680756 9237666 12161197 18475332 24322394 29252609 36483591 48644788 56965607 58505218 72967182 87757827 113931214 117010436 145934364 170896821 175515654 227862428 341793642 351031308 683587284 1082346533 2164693066 3247039599 4329386132 6494079198 12988158396