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100200211220 = 2259675180983
BaseRepresentation
bin101110101010001100…
…1011110001100010100
3100120122010101010102002
41131110121132030110
53120202223224340
6114010434134432
710145024512454
oct1352431361424
9316563333362
10100200211220
113954945281a
1217504a21418
1395ab13bc15
144bc7899d64
152916ad6715
hex175465e314

100200211220 has 24 divisors (see below), whose sum is σ = 210638085504. Its totient is φ = 40038628896.

The previous prime is 100200211217. The next prime is 100200211259. The reversal of 100200211220 is 22112002001.

It is a happy number.

It is a super-2 number, since 2×1002002112202 (a number of 23 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 7 ways as a sum of consecutive naturals, for example, 2571152 + ... + 2609831.

It is an arithmetic number, because the mean of its divisors is an integer number (8776586896).

Almost surely, 2100200211220 is an apocalyptic number.

100200211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100200211220 is an abundant number, since it is smaller than the sum of its proper divisors (110437874284).

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

100200211220 is a wasteful number, since it uses less digits than its factorization.

100200211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5181959 (or 5181957 counting only the distinct ones).

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

Adding to 100200211220 its reverse (22112002001), we get a palindrome (122312213221).

The spelling of 100200211220 in words is "one hundred billion, two hundred million, two hundred eleven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 967 1934 3868 4835 9670 19340 5180983 10361966 20723932 25904915 51809830 103619660 5010010561 10020021122 20040042244 25050052805 50100105610 100200211220