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10236942040 = 2351319686427
BaseRepresentation
bin10011000100010101…
…10101011011011000
3222102102121112111111
421202022311123120
5131431124121130
64411445110104
7511452400033
oct114212653330
928372545444
1010236942040
11438353a086
121b983b8334
13c71b0a470
146d180001a
153edab302a
hex2622b56d8

10236942040 has 32 divisors (see below), whose sum is σ = 24804899280. Its totient is φ = 3779793792.

The previous prime is 10236942031. The next prime is 10236942073. The reversal of 10236942040 is 4024963201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10236941993 and 10236942011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9842694 + ... + 9843733.

Almost surely, 210236942040 is an apocalyptic number.

10236942040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10236942040 is an abundant number, since it is smaller than the sum of its proper divisors (14567957240).

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

10236942040 is a wasteful number, since it uses less digits than its factorization.

10236942040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19686451 (or 19686447 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 10236942040 in words is "ten billion, two hundred thirty-six million, nine hundred forty-two thousand, forty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 19686427 39372854 78745708 98432135 157491416 196864270 255923551 393728540 511847102 787457080 1023694204 1279617755 2047388408 2559235510 5118471020 10236942040