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1201010200 = 235213607761
BaseRepresentation
bin100011110010101…
…1111011000011000
310002200220122021021
41013211133120120
54424424311300
6315101452224
741522263315
oct10745373030
93080818237
101201010200
11566a36815
12296271074
13161a89230
14b5713d0c
1570689d1a
hex4795f618

1201010200 has 96 divisors (see below), whose sum is σ = 3016056960. Its totient is φ = 442137600.

The previous prime is 1201010149. The next prime is 1201010201. The reversal of 1201010200 is 20101021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201010201) 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, 1577820 + ... + 1578580.

It is an arithmetic number, because the mean of its divisors is an integer number (31417260).

Almost surely, 21201010200 is an apocalyptic number.

1201010200 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 1201010200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1508028480).

1201010200 is an abundant number, since it is smaller than the sum of its proper divisors (1815046760).

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

1201010200 is a wasteful number, since it uses less digits than its factorization.

1201010200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397 (or 1388 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 1201010200 is about 34655.5940650279. The cubic root of 1201010200 is about 1062.9566793471.

Adding to 1201010200 its reverse (20101021), we get a palindrome (1221111221).

The spelling of 1201010200 in words is "one billion, two hundred one million, ten thousand, two hundred".

Divisors: 1 2 4 5 8 10 13 20 25 26 40 50 52 65 100 104 130 200 260 325 520 607 650 761 1214 1300 1522 2428 2600 3035 3044 3805 4856 6070 6088 7610 7891 9893 12140 15175 15220 15782 19025 19786 24280 30350 30440 31564 38050 39455 39572 49465 60700 63128 76100 78910 79144 98930 121400 152200 157820 197275 197860 247325 315640 394550 395720 461927 494650 789100 923854 989300 1578200 1847708 1978600 2309635 3695416 4619270 6005051 9238540 11548175 12010102 18477080 23096350 24020204 30025255 46192700 48040408 60050510 92385400 120101020 150126275 240202040 300252550 600505100 1201010200