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10243461690 = 2345711179661
BaseRepresentation
bin10011000101000111…
…01101001000111010
3222102212212202210000
421202203231020322
5131434311233230
64412240533430
7511561662540
oct114243551072
928385782700
1010243461690
114387192420
121b9a621276
13c73280b47
146d2619d90
153ee44eb60
hex2628ed23a

10243461690 has 320 divisors, whose sum is σ = 36363748608. Its totient is φ = 2003097600.

The previous prime is 10243461643. The next prime is 10243461721. The reversal of 10243461690 is 9616434201.

10243461690 is a `hidden beast` number, since 1 + 0 + 2 + 4 + 34 + 616 + 9 + 0 = 666.

It is a super-2 number, since 2×102434616902 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1055460 + ... + 1065120.

Almost surely, 210243461690 is an apocalyptic number.

10243461690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10243461690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18181874304).

10243461690 is an abundant number, since it is smaller than the sum of its proper divisors (26120286918).

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

10243461690 is a wasteful number, since it uses less digits than its factorization.

10243461690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9715 (or 9706 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

Adding to 10243461690 its reverse (9616434201), we get a palindrome (19859895891).

The spelling of 10243461690 in words is "ten billion, two hundred forty-three million, four hundred sixty-one thousand, six hundred ninety".