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51401089106900 = 22521369915655743
BaseRepresentation
bin10111010111111101111111…
…01010000100001111010100
320201222220012021111102102022
423223332333222010033110
523214123412302410100
6301153200115232312
713553414622345011
oct1353767752041724
9221886167442368
1051401089106900
1115418096860525
125921a608a8698
13228b142b655b0
14c99b7c718708
155e20d8702e85
hex2ebfbfa843d4

51401089106900 has 72 divisors (see below), whose sum is σ = 120137594701824. Its totient is φ = 18976145558400.

The previous prime is 51401089106881. The next prime is 51401089107019. The reversal of 51401089106900 is 960198010415.

It is a super-2 number, since 2×514010891069002 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6260429 + ... + 11916171.

It is an arithmetic number, because the mean of its divisors is an integer number (1668577704192).

Almost surely, 251401089106900 is an apocalyptic number.

51401089106900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51401089106900 is an abundant number, since it is smaller than the sum of its proper divisors (68736505594924).

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

51401089106900 is a wasteful number, since it uses less digits than its factorization.

51401089106900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5662761 (or 5662754 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 44.

The spelling of 51401089106900 in words is "fifty-one trillion, four hundred one billion, eighty-nine million, one hundred six thousand, nine hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 130 260 325 650 1300 6991 13982 27964 34955 69910 90883 139820 174775 181766 349550 363532 454415 699100 908830 1817660 2272075 4544150 5655743 9088300 11311486 22622972 28278715 56557430 73524659 113114860 141393575 147049318 282787150 294098636 367623295 565574300 735246590 1470493180 1838116475 3676232950 7352465900 39539299313 79078598626 158157197252 197696496565 395392993130 514010891069 790785986260 988482482825 1028021782138 1976964965650 2056043564276 2570054455345 3953929931300 5140108910690 10280217821380 12850272276725 25700544553450 51401089106900