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11213471412 = 223311132925037
BaseRepresentation
bin10100111000101111…
…11111111010110100
31001221111010100222000
422130113333322310
5140431122041122
65052411335300
7544610635323
oct123427777264
931844110860
1011213471412
114834792050
12220b451530
13109921a5b0
1478539c0ba
154596aa0ac
hex29c5ffeb4

11213471412 has 192 divisors, whose sum is σ = 35333625600. Its totient is φ = 3028354560.

The previous prime is 11213471387. The next prime is 11213471443. The reversal of 11213471412 is 21417431211.

It is a happy number.

11213471412 is a `hidden beast` number, since 112 + 134 + 7 + 1 + 412 = 666.

It is a super-2 number, since 2×112134714122 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 435358 + ... + 460394.

It is an arithmetic number, because the mean of its divisors is an integer number (184029300).

Almost surely, 211213471412 is an apocalyptic number.

11213471412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11213471412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17666812800).

11213471412 is an abundant number, since it is smaller than the sum of its proper divisors (24120154188).

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

11213471412 is a wasteful number, since it uses less digits than its factorization.

11213471412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25103 (or 25095 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The spelling of 11213471412 in words is "eleven billion, two hundred thirteen million, four hundred seventy-one thousand, four hundred twelve".