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10212202100 = 2252294185889
BaseRepresentation
bin10011000001011000…
…11101011001110100
3222100201001121200102
421200230131121310
5131403310431400
64405202533232
7511032166652
oct114054353164
928321047612
1010212202100
114370581651
121b90067218
13c69957749
146cc3dddd2
153eb8279d5
hex260b1d674

10212202100 has 72 divisors (see below), whose sum is σ = 23484043800. Its totient is φ = 3847782400.

The previous prime is 10212202069. The next prime is 10212202123. The reversal of 10212202100 is 120221201.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 2322854416 + 7889347684 = 48196^2 + 88822^2 .

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, 75956 + ... + 161844.

It is an arithmetic number, because the mean of its divisors is an integer number (326167275).

Almost surely, 210212202100 is an apocalyptic number.

10212202100 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 10212202100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11742021900).

10212202100 is an abundant number, since it is smaller than the sum of its proper divisors (13271841700).

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

10212202100 is a wasteful number, since it uses less digits than its factorization.

10212202100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85973 (or 85966 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10212202100 its reverse (120221201), we get a palindrome (10332423301).

The spelling of 10212202100 in words is "ten billion, two hundred twelve million, two hundred two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 29 41 50 58 82 100 116 145 164 205 290 410 580 725 820 1025 1189 1450 2050 2378 2900 4100 4756 5945 11890 23780 29725 59450 85889 118900 171778 343556 429445 858890 1717780 2147225 2490781 3521449 4294450 4981562 7042898 8588900 9963124 12453905 14085796 17607245 24907810 35214490 49815620 62269525 70428980 88036225 102122021 124539050 176072450 204244042 249078100 352144900 408488084 510610105 1021220210 2042440420 2553050525 5106101050 10212202100