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11942106720 = 25351311791061
BaseRepresentation
bin10110001111100111…
…00001011001100000
31010211021011212200220
423013303201121200
5143424134403340
65253000443040
7601636142445
oct130763413140
933737155626
1011942106720
11507900a595
122393479480
13118417474b
1481406b9cc
1549d636ed0
hex2c7ce1660

11942106720 has 192 divisors, whose sum is σ = 38152477440. Its totient is φ = 3139635200.

The previous prime is 11942106703. The next prime is 11942106767. The reversal of 11942106720 is 2760124911.

It is a happy number.

It is a super-2 number, since 2×119421067202 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11254990 + ... + 11256050.

It is an arithmetic number, because the mean of its divisors is an integer number (198710820).

Almost surely, 211942106720 is an apocalyptic number.

11942106720 is a gapful number since it is divisible by the number (10) 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 11942106720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19076238720).

11942106720 is an abundant number, since it is smaller than the sum of its proper divisors (26210370720).

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

11942106720 is a wasteful number, since it uses less digits than its factorization.

11942106720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389 (or 1381 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The spelling of 11942106720 in words is "eleven billion, nine hundred forty-two million, one hundred six thousand, seven hundred twenty".