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101201312044 = 22741421209393
BaseRepresentation
bin101111001000000010…
…0010111100100101100
3100200012220010022120101
41132100010113210230
53124230013441134
6114254035200444
710211601646660
oct1362004274454
9320186108511
10101201312044
1139a12558678
1217744146124
13970a673181
144c808128a0
152974933e14
hex179011792c

101201312044 has 48 divisors (see below), whose sum is σ = 207832758336. Its totient is φ = 42213427200.

The previous prime is 101201312041. The next prime is 101201312053. The reversal of 101201312044 is 440213102101.

It is not an unprimeable number, because it can be changed into a prime (101201312041) 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, 378612 + ... + 588004.

It is an arithmetic number, because the mean of its divisors is an integer number (4329849132).

Almost surely, 2101201312044 is an apocalyptic number.

101201312044 is a gapful number since it is divisible by the number (14) 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 101201312044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103916379168).

101201312044 is an abundant number, since it is smaller than the sum of its proper divisors (106631446292).

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

101201312044 is a wasteful number, since it uses less digits than its factorization.

101201312044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209866 (or 209864 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 101201312044 its reverse (440213102101), we get a palindrome (541414414145).

It can be divided in two parts, 101 and 201312044, that added together give a triangular number (201312145 = T20065).

The spelling of 101201312044 in words is "one hundred one billion, two hundred one million, three hundred twelve thousand, forty-four".

Divisors: 1 2 4 7 14 28 41 82 164 287 421 574 842 1148 1684 2947 5894 11788 17261 34522 69044 120827 209393 241654 418786 483308 837572 1465751 2931502 5863004 8585113 17170226 34340452 60095791 88154453 120191582 176308906 240383164 352617812 617081171 1234162342 2468324684 3614332573 7228665146 14457330292 25300328011 50600656022 101201312044