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10420203204 = 2234268311987
BaseRepresentation
bin10011011010001011…
…11010111011000100
3222220012110011120000
421231011322323010
5132320033000304
64441553041300
7516136160115
oct115505727304
928805404500
1010420203204
114467a29994
122029856230
13ca0a83818
1470bca620c
1540ec12939
hex26d17aec4

10420203204 has 60 divisors (see below), whose sum is σ = 27252895824. Its totient is φ = 3471816816.

The previous prime is 10420203203. The next prime is 10420203217. The reversal of 10420203204 is 40230202401.

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 (10420203203) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 863299 + ... + 875285.

Almost surely, 210420203204 is an apocalyptic number.

It is an amenable number.

10420203204 is an abundant number, since it is smaller than the sum of its proper divisors (16832692620).

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

10420203204 is a wasteful number, since it uses less digits than its factorization.

10420203204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14686 (or 14675 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 10420203204 its reverse (40230202401), we get a palindrome (50650405605).

The spelling of 10420203204 in words is "ten billion, four hundred twenty million, two hundred three thousand, two hundred four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 2683 5366 8049 10732 11987 16098 23974 24147 32196 35961 47948 48294 71922 72441 96588 107883 143844 144882 215766 217323 289764 323649 431532 434646 647298 869292 970947 1294596 1941894 3883788 32161121 64322242 96483363 128644484 192966726 289450089 385933452 578900178 868350267 1157800356 1736700534 2605050801 3473401068 5210101602 10420203204