Search a number
-
+
1311226352030 = 257223311484859
BaseRepresentation
bin10011000101001011001…
…011100101000110011110
311122100111121201020002002
4103011023023211012132
5132440342421231110
62442211415202302
7163506261044600
oct23051313450636
94570447636062
101311226352030
114660a7101681
1219215b076392
1396856ba47aa
144766c53b170
15241947c6aa5
hex1314b2e519e

1311226352030 has 48 divisors (see below), whose sum is σ = 2757331128240. Its totient is φ = 447633825408.

The previous prime is 1311226352027. The next prime is 1311226352041. The reversal of 1311226352030 is 302536221131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1311226351984 and 1311226352002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5628260 + ... + 5856599.

It is an arithmetic number, because the mean of its divisors is an integer number (57444398505).

Almost surely, 21311226352030 is an apocalyptic number.

1311226352030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311226352030 is an abundant number, since it is smaller than the sum of its proper divisors (1446104776210).

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

1311226352030 is a wasteful number, since it uses less digits than its factorization.

1311226352030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11485113 (or 11485106 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The spelling of 1311226352030 in words is "one trillion, three hundred eleven billion, two hundred twenty-six million, three hundred fifty-two thousand, thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 233 245 466 490 1165 1631 2330 3262 8155 11417 16310 22834 57085 114170 11484859 22969718 57424295 80394013 114848590 160788026 401970065 562758091 803940130 1125516182 2675972147 2813790455 5351944294 5627580910 13379860735 18731805029 26759721470 37463610058 93659025145 131122635203 187318050290 262245270406 655613176015 1311226352030