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10078328640 = 263548721557
BaseRepresentation
bin10010110001011011…
…10001011101000000
3222000101011010211010
421120231301131000
5131120023004030
64344021320520
7504515244222
oct113055613500
928011133733
1010078328640
114301a54526
121b53266140
13c47cb3b93
146b8712412
153debd16b0
hex258b71740

10078328640 has 112 divisors (see below), whose sum is σ = 32065886592. Its totient is φ = 2681911296.

The previous prime is 10078328633. The next prime is 10078328641. The reversal of 10078328640 is 4682387001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10078328641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456742 + ... + 478298.

Almost surely, 210078328640 is an apocalyptic number.

10078328640 is a gapful number since it is divisible by the number (10) 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 10078328640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16032943296).

10078328640 is an abundant number, since it is smaller than the sum of its proper divisors (21987557952).

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

10078328640 is a wasteful number, since it uses less digits than its factorization.

10078328640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22064 (or 22054 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 10078328640 in words is "ten billion, seventy-eight million, three hundred twenty-eight thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 240 320 480 487 960 974 1461 1948 2435 2922 3896 4870 5844 7305 7792 9740 11688 14610 15584 19480 21557 23376 29220 31168 38960 43114 46752 58440 64671 77920 86228 93504 107785 116880 129342 155840 172456 215570 233760 258684 323355 344912 431140 467520 517368 646710 689824 862280 1034736 1293420 1379648 1724560 2069472 2586840 3449120 4138944 5173680 6898240 10347360 10498259 20694720 20996518 31494777 41993036 52491295 62989554 83986072 104982590 125979108 157473885 167972144 209965180 251958216 314947770 335944288 419930360 503916432 629895540 671888576 839860720 1007832864 1259791080 1679721440 2015665728 2519582160 3359442880 5039164320 10078328640