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2018701056100 = 225247230232
BaseRepresentation
bin11101011000000011111…
…101011001100001100100
321010222121202011221011111
4131120003331121201210
5231033244432243400
64143213425314404
7265563202600351
oct35300375314144
97128552157144
102018701056100
11709143134053
122872a2a95a04
13118493ab3941
146d9c444b628
153779ebb63ba
hex1d603f59864

2018701056100 has 81 divisors (see below), whose sum is σ = 4477249271257. Its totient is φ = 790038558880.

The previous prime is 2018701056079. The next prime is 2018701056109. The reversal of 2018701056100 is 16501078102.

The square root of 2018701056100 is 1420810.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 726732380196 + 1291968675904 = 852486^2 + 1136648^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2018701056109) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 667779189 + ... + 667782211.

Almost surely, 22018701056100 is an apocalyptic number.

2018701056100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

2018701056100 is the 1420810-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2018701056100

2018701056100 is an abundant number, since it is smaller than the sum of its proper divisors (2458548215157).

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

2018701056100 is an frugal number, since it uses more digits than its factorization.

2018701056100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6154 (or 3077 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 31.

The spelling of 2018701056100 in words is "two trillion, eighteen billion, seven hundred one million, fifty-six thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 47 50 94 100 188 235 470 940 1175 2209 2350 3023 4418 4700 6046 8836 11045 12092 15115 22090 30230 44180 55225 60460 75575 110450 142081 151150 220900 284162 302300 568324 710405 1420810 2841620 3552025 6677807 7104050 9138529 13355614 14208100 18277058 26711228 33389035 36554116 45692645 66778070 91385290 133556140 166945175 182770580 228463225 333890350 429510863 456926450 667780700 859021726 913852900 1718043452 2147554315 4295108630 8590217260 10737771575 20187010561 21475543150 40374021122 42951086300 80748042244 100935052805 201870105610 403740211220 504675264025 1009350528050 2018701056100