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100302312200 = 23526110181401
BaseRepresentation
bin101110101101001111…
…0111101001100001000
3100120220020111101121212
41131122132331030020
53120404342442300
6114024522352252
710150404405116
oct1353236751410
9316806441555
10100302312200
11395a10497a2
121753305b688
1395c6339abc
144bd7276ab6
152920a53935
hex175a7bd308

100302312200 has 96 divisors (see below), whose sum is σ = 239375605320. Its totient is φ = 39072000000.

The previous prime is 100302312199. The next prime is 100302312239. The reversal of 100302312200 is 2213203001.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 12770356036 + 87531956164 = 113006^2 + 295858^2 .

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, 1191500 + ... + 1272900.

Almost surely, 2100302312200 is an apocalyptic number.

100302312200 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 100302312200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119687802660).

100302312200 is an abundant number, since it is smaller than the sum of its proper divisors (139073293120).

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

100302312200 is a wasteful number, since it uses less digits than its factorization.

100302312200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81579 (or 81570 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 100302312200 its reverse (2213203001), we get a palindrome (102515515201).

The spelling of 100302312200 in words is "one hundred billion, three hundred two million, three hundred twelve thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 61 100 101 122 200 202 244 305 404 488 505 610 808 1010 1220 1525 2020 2440 2525 3050 4040 5050 6100 6161 10100 12200 12322 20200 24644 30805 49288 61610 81401 123220 154025 162802 246440 308050 325604 407005 616100 651208 814010 1232200 1628020 2035025 3256040 4070050 4965461 8140100 8221501 9930922 16280200 16443002 19861844 24827305 32886004 39723688 41107505 49654610 65772008 82215010 99309220 124136525 164430020 198618440 205537525 248273050 328860040 411075050 496546100 501511561 822150100 993092200 1003023122 1644300200 2006046244 2507557805 4012092488 5015115610 10030231220 12537789025 20060462440 25075578050 50151156100 100302312200