Search a number
-
+
13121013012032 = 261316791230453
BaseRepresentation
bin1011111011101111100101…
…0100011101011001000000
31201110100121221211111001002
42332323321110131121000
53204433313312341112
643523413221231132
72522650635260552
oct276737124353100
951410557744032
1013121013012032
1141a9654865842
12157ab348624a8
137423c99b7493
143350bbb054d2
1517b49353e1c2
hexbeef951d640

13121013012032 has 56 divisors (see below), whose sum is σ = 26239743173952. Its totient is φ = 6509439372800.

The previous prime is 13121013012017. The next prime is 13121013012073. The reversal of 13121013012032 is 23021031012131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13121013011995 and 13121013012013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56820518 + ... + 57050970.

It is an arithmetic number, because the mean of its divisors is an integer number (468566842392).

Almost surely, 213121013012032 is an apocalyptic number.

It is an amenable number.

13121013012032 is a deficient number, since it is larger than the sum of its proper divisors (13118730161920).

13121013012032 is a wasteful number, since it uses less digits than its factorization.

13121013012032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237387 (or 237377 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 13121013012032 its reverse (23021031012131), we get a palindrome (36142044024163).

The spelling of 13121013012032 in words is "thirteen trillion, one hundred twenty-one billion, thirteen million, twelve thousand, thirty-two".

Divisors: 1 2 4 8 16 32 64 131 262 524 1048 2096 4192 6791 8384 13582 27164 54328 108656 217312 230453 434624 460906 889621 921812 1779242 1843624 3558484 3687248 7116968 7374496 14233936 14748992 28467872 30189343 56935744 60378686 120757372 241514744 483029488 966058976 1565006323 1932117952 3130012646 6260025292 12520050584 25040101168 50080202336 100160404672 205015828313 410031656626 820063313252 1640126626504 3280253253008 6560506506016 13121013012032