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101210203020 = 22352227775721
BaseRepresentation
bin101111001000010011…
…0010010001110001100
3100200020111212000200210
41132100212102032030
53124234302444040
6114254553522420
710212040350123
oct1362046221614
9320214760623
10101210203020
1139a17580593
1217747113410
13970c466cc4
144c81a88aba
1529755dd480
hex179099238c

101210203020 has 48 divisors (see below), whose sum is σ = 283405032288. Its totient is φ = 26987819520.

The previous prime is 101210203009. The next prime is 101210203027. The reversal of 101210203020 is 20302012101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 101210202987 and 101210203005.

It is not an unprimeable number, because it can be changed into a prime (101210203027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1298760 + ... + 1374480.

It is an arithmetic number, because the mean of its divisors is an integer number (5904271506).

Almost surely, 2101210203020 is an apocalyptic number.

101210203020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101210203020 is an abundant number, since it is smaller than the sum of its proper divisors (182194829268).

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

101210203020 is a wasteful number, since it uses less digits than its factorization.

101210203020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98010 (or 98008 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 101210203020 its reverse (20302012101), we get a palindrome (121512215121).

The spelling of 101210203020 in words is "one hundred one billion, two hundred ten million, two hundred three thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 22277 44554 66831 75721 89108 111385 133662 151442 222770 227163 267324 302884 334155 378605 445540 454326 668310 757210 908652 1135815 1336620 1514420 2271630 4543260 1686836717 3373673434 5060510151 6747346868 8434183585 10121020302 16868367170 20242040604 25302550755 33736734340 50605101510 101210203020