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10204002144 = 2532730716487
BaseRepresentation
bin10011000000011010…
…01011011101100000
3222100010122000110100
421200031023131200
5131344211032034
64404311102400
7510602405250
oct114015133540
928303560410
1010204002144
114366990926
121b89371a00
13c680462bb
146cb2a7960
153eac58099
hex26034b760

10204002144 has 144 divisors (see below), whose sum is σ = 33273047808. Its totient is φ = 2905756416.

The previous prime is 10204002143. The next prime is 10204002167. The reversal of 10204002144 is 44120040201.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10204002143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 610669 + ... + 627155.

It is an arithmetic number, because the mean of its divisors is an integer number (231062832).

Almost surely, 210204002144 is an apocalyptic number.

10204002144 is a gapful number since it is divisible by the number (14) 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 10204002144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16636523904).

10204002144 is an abundant number, since it is smaller than the sum of its proper divisors (23069045664).

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

10204002144 is a wasteful number, since it uses less digits than its factorization.

10204002144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16817 (or 16806 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 10204002144 its reverse (44120040201), we get a palindrome (54324042345).

The spelling of 10204002144 in words is "ten billion, two hundred four million, two thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 72 84 96 112 126 144 168 224 252 288 307 336 504 614 672 921 1008 1228 1842 2016 2149 2456 2763 3684 4298 4912 5526 6447 7368 8596 9824 11052 12894 14736 16487 17192 19341 22104 25788 29472 32974 34384 38682 44208 49461 51576 65948 68768 77364 88416 98922 103152 115409 131896 148383 154728 197844 206304 230818 263792 296766 309456 346227 395688 461636 527584 593532 618912 692454 791376 923272 1038681 1187064 1384908 1582752 1846544 2077362 2374128 2769816 3693088 4154724 4748256 5061509 5539632 8309448 10123018 11079264 15184527 16618896 20246036 30369054 33237792 35430563 40492072 45553581 60738108 70861126 80984144 91107162 106291689 121476216 141722252 161968288 182214324 212583378 242952432 283444504 318875067 364428648 425166756 485904864 566889008 637750134 728857296 850333512 1133778016 1275500268 1457714592 1700667024 2551000536 3401334048 5102001072 10204002144