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210102000000100 = 225213353457838309
BaseRepresentation
bin101111110001011000101111…
…000100111001110001100100
31000112220112222121212012000021
4233301120233010321301210
5210014302344000000400
62022503305404324524
762153240264452525
oct5761305704716144
91015815877765007
10210102000000100
1160a4383771a10a
121b693212843744
1390306c23a1240
1439c4dc366c84c
15194537dace71a
hexbf162f139c64

210102000000100 has 72 divisors (see below), whose sum is σ = 492383126166120. Its totient is φ = 77356360519680.

The previous prime is 210102000000077. The next prime is 210102000000107. The reversal of 210102000000100 is 1000000201012.

It can be written as a sum of positive squares in 12 ways, for example, as 46522657845504 + 163579342154596 = 6820752^2 + 12789814^2 .

It is not an unprimeable number, because it can be changed into a prime (210102000000107) 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, 228460255 + ... + 229378054.

It is an arithmetic number, because the mean of its divisors is an integer number (6838654530085).

Almost surely, 2210102000000100 is an apocalyptic number.

210102000000100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210102000000100 is an abundant number, since it is smaller than the sum of its proper divisors (282281126166020).

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

210102000000100 is a wasteful number, since it uses less digits than its factorization.

210102000000100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457838689 (or 457838682 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 210102000000100 its reverse (1000000201012), we get a palindrome (211102000201112).

The spelling of 210102000000100 in words is "two hundred ten trillion, one hundred two billion, one hundred", and thus it is an aban number.

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 130 260 325 353 650 706 1300 1412 1765 3530 4589 7060 8825 9178 17650 18356 22945 35300 45890 91780 114725 229450 458900 457838309 915676618 1831353236 2289191545 4578383090 5951898017 9156766180 11445957725 11903796034 22891915450 23807592068 29759490085 45783830900 59518980170 119037960340 148797450425 161616923077 297594900850 323233846154 595189801700 646467692308 808084615385 1616169230770 2101020000001 3232338461540 4040423076925 4202040000002 8080846153850 8404080000004 10505100000005 16161692307700 21010200000010 42020400000020 52525500000025 105051000000050 210102000000100