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100213011200 = 285219381131
BaseRepresentation
bin101110101010100101…
…0010011001100000000
3100120200000110102200102
41131111022103030000
53120214012324300
6114012012341532
710145241353261
oct1352512231400
9316600412612
10100213011200
11395556a5615
12175091748a8
1395b09a1083
144bc946c968
152917cb40d5
hex1755293300

100213011200 has 108 divisors (see below), whose sum is σ = 249331130328. Its totient is φ = 39877017600.

The previous prime is 100213011161. The next prime is 100213011319. The reversal of 100213011200 is 2110312001.

It is a super-2 number, since 2×1002130112002 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1194635 + ... + 1275765.

Almost surely, 2100213011200 is an apocalyptic number.

100213011200 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 100213011200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124665565164).

100213011200 is an abundant number, since it is smaller than the sum of its proper divisors (149118119128).

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

100213011200 is an equidigital number, since it uses as much as digits as its factorization.

100213011200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81350 (or 81331 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 100213011200 its reverse (2110312001), we get a palindrome (102323323201).

The spelling of 100213011200 in words is "one hundred billion, two hundred thirteen million, eleven thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 193 200 256 320 386 400 640 772 800 965 1280 1544 1600 1930 3088 3200 3860 4825 6176 6400 7720 9650 12352 15440 19300 24704 30880 38600 49408 61760 77200 81131 123520 154400 162262 247040 308800 324524 405655 617600 649048 811310 1235200 1298096 1622620 2028275 2596192 3245240 4056550 5192384 6490480 8113100 10384768 12980960 15658283 16226200 20769536 25961920 31316566 32452400 51923840 62633132 64904800 78291415 103847680 125266264 129809600 156582830 250532528 259619200 313165660 391457075 501065056 519238400 626331320 782914150 1002130112 1252662640 1565828300 2004260224 2505325280 3131656600 4008520448 5010650560 6263313200 10021301120 12526626400 20042602240 25053252800 50106505600 100213011200