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210220021012100 = 225211584513269561
BaseRepresentation
bin101111110011000110101001…
…101011010101011010000100
31000120022211121201012210022212
4233303012221223111122010
5210023221100334341400
62023033424444242552
762164616043505601
oct5763065153253204
91016284551183285
10210220021012100
1160a898a0489260
121b6b206b840458
13903b88058a198
1439ca9bbc296a8
151948489e73335
hexbf31a9ad5684

210220021012100 has 72 divisors (see below), whose sum is σ = 497656788614496. Its totient is φ = 76442312800000.

The previous prime is 210220021012069. The next prime is 210220021012103. The reversal of 210220021012100 is 1210120022012.

It is not an unprimeable number, because it can be changed into a prime (210220021012103) 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, 62661320 + ... + 65930880.

It is an arithmetic number, because the mean of its divisors is an integer number (6911899841868).

Almost surely, 2210220021012100 is an apocalyptic number.

210220021012100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210220021012100 is an abundant number, since it is smaller than the sum of its proper divisors (287436767602396).

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

210220021012100 is a wasteful number, since it uses less digits than its factorization.

210220021012100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3328037 (or 3328030 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210220021012100 its reverse (1210120022012), we get a palindrome (211430141034112).

The spelling of 210220021012100 in words is "two hundred ten trillion, two hundred twenty billion, twenty-one million, twelve thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 58451 116902 233804 292255 584510 642961 1169020 1285922 1461275 2571844 2922550 3214805 3269561 5845100 6429610 6539122 12859220 13078244 16074025 16347805 32148050 32695610 35965171 64296100 65391220 71930342 81739025 143860684 163478050 179825855 326956100 359651710 719303420 899129275 1798258550 3596517100 191109110011 382218220022 764436440044 955545550055 1911091100110 2102200210121 3822182200220 4204400420242 4777727750275 8408800840484 9555455500550 10511001050605 19110911001100 21022002101210 42044004202420 52555005253025 105110010506050 210220021012100