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10210728440 = 23511191221379
BaseRepresentation
bin10011000001001101…
…10101100111111000
3222100121021202012102
421200212311213320
5131402421302230
64405111202532
7511013521403
oct114046654770
928317252172
1010210728440
11436a765450
121b8b676448
13c6955ca63
146cc138d3a
153eb636045
hex2609b59f8

10210728440 has 64 divisors (see below), whose sum is σ = 26381808000. Its totient is φ = 3517568640.

The previous prime is 10210728439. The next prime is 10210728469. The reversal of 10210728440 is 4482701201.

10210728440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 602330 + ... + 619049.

It is an arithmetic number, because the mean of its divisors is an integer number (412215750).

Almost surely, 210210728440 is an apocalyptic number.

10210728440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10210728440 is an abundant number, since it is smaller than the sum of its proper divisors (16171079560).

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

10210728440 is a wasteful number, since it uses less digits than its factorization.

10210728440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221420 (or 1221416 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The spelling of 10210728440 in words is "ten billion, two hundred ten million, seven hundred twenty-eight thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 11 19 20 22 38 40 44 55 76 88 95 110 152 190 209 220 380 418 440 760 836 1045 1672 2090 4180 8360 1221379 2442758 4885516 6106895 9771032 12213790 13435169 23206201 24427580 26870338 46412402 48855160 53740676 67175845 92824804 107481352 116031005 134351690 185649608 232062010 255268211 268703380 464124020 510536422 537406760 928248040 1021072844 1276341055 2042145688 2552682110 5105364220 10210728440