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210101230000 = 245429724487
BaseRepresentation
bin1100001110101100000…
…0100101100110110000
3202002022022112100002001
43003223000211212300
511420241403330000
6240304050303344
721115334663104
oct3035300454660
9662268470061
10210101230000
1181115737872
1234876587b54
1316a73c90c4c
14a251875904
1556ea17b46a
hex30eb0259b0

210101230000 has 100 divisors (see below), whose sum is σ = 526217369040. Its totient is φ = 81142432000.

The previous prime is 210101229997. The next prime is 210101230061. The reversal of 210101230000 is 32101012.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 72244 + ... + 652243.

Almost surely, 2210101230000 is an apocalyptic number.

210101230000 is a gapful number since it is divisible by the number (20) 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 210101230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263108684520).

210101230000 is an abundant number, since it is smaller than the sum of its proper divisors (316116139040).

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

210101230000 is an equidigital number, since it uses as much as digits as its factorization.

210101230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724544 (or 724523 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 210101230000 its reverse (32101012), we get a palindrome (210133331012).

The spelling of 210101230000 in words is "two hundred ten billion, one hundred one million, two hundred thirty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 29 40 50 58 80 100 116 125 145 200 232 250 290 400 464 500 580 625 725 1000 1160 1250 1450 2000 2320 2500 2900 3625 5000 5800 7250 10000 11600 14500 18125 29000 36250 58000 72500 145000 290000 724487 1448974 2897948 3622435 5795896 7244870 11591792 14489740 18112175 21010123 28979480 36224350 42020246 57958960 72448700 84040492 90560875 105050615 144897400 168080984 181121750 210101230 289794800 336161968 362243500 420202460 452804375 525253075 724487000 840404920 905608750 1050506150 1448974000 1680809840 1811217500 2101012300 2626265375 3622435000 4202024600 5252530750 7244870000 8404049200 10505061500 13131326875 21010123000 26262653750 42020246000 52525307500 105050615000 210101230000