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11112431202 = 2331009120393
BaseRepresentation
bin10100101100101101…
…00011111001100010
31001200102222222212000
422112112203321202
5140224240244302
65034401544430
7542243051415
oct122626437142
931612888760
1011112431202
114792750044
1221a1645116
1310813014a2
14775bb9b7c
1545089c31c
hex2965a3e62

11112431202 has 32 divisors (see below), whose sum is σ = 24697949760. Its totient is φ = 3703595040.

The previous prime is 11112431147. The next prime is 11112431203. The reversal of 11112431202 is 20213421111.

11112431202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×111124312022 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11112431203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 534718 + ... + 555110.

It is an arithmetic number, because the mean of its divisors is an integer number (771810930).

Almost surely, 211112431202 is an apocalyptic number.

11112431202 is an abundant number, since it is smaller than the sum of its proper divisors (13585518558).

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

11112431202 is a wasteful number, since it uses less digits than its factorization.

11112431202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30495 (or 30489 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11112431202 its reverse (20213421111), we get a palindrome (31325852313).

The spelling of 11112431202 in words is "eleven billion, one hundred twelve million, four hundred thirty-one thousand, two hundred two".

Divisors: 1 2 3 6 9 18 27 54 10091 20182 20393 30273 40786 60546 61179 90819 122358 181638 183537 272457 367074 544914 550611 1101222 205785763 411571526 617357289 1234714578 1852071867 3704143734 5556215601 11112431202