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11351215140 = 2235829228211
BaseRepresentation
bin10101001001001010…
…11100110000100100
31002022002022110211120
422210211130300210
5141221402341030
65114211533540
7551202510456
oct124445346044
932262273746
1011351215140
1148a5512a41
1222495ba2b0
1310bb917965
147997b62d6
15466818010
hex2a495cc24

11351215140 has 48 divisors (see below), whose sum is σ = 31821881280. Its totient is φ = 3023326080.

The previous prime is 11351215133. The next prime is 11351215151. The reversal of 11351215140 is 4151215311.

It is a self number, because there is not a number n which added to its sum of digits gives 11351215140.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64366 + ... + 163845.

It is an arithmetic number, because the mean of its divisors is an integer number (662955860).

Almost surely, 211351215140 is an apocalyptic number.

11351215140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11351215140 is an abundant number, since it is smaller than the sum of its proper divisors (20470666140).

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

11351215140 is a wasteful number, since it uses less digits than its factorization.

11351215140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229052 (or 229050 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 24.

The spelling of 11351215140 in words is "eleven billion, three hundred fifty-one million, two hundred fifteen thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 829 1658 2487 3316 4145 4974 8290 9948 12435 16580 24870 49740 228211 456422 684633 912844 1141055 1369266 2282110 2738532 3423165 4564220 6846330 13692660 189186919 378373838 567560757 756747676 945934595 1135121514 1891869190 2270243028 2837803785 3783738380 5675607570 11351215140