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101210042444 = 227231409111539
BaseRepresentation
bin101111001000010010…
…1101011000001001100
3100200020111112212102112
41132100211223001030
53124234232324234
6114254550243152
710212036111020
oct1362045530114
9320214485375
10101210042444
1139a17480985
12177470564b8
13970c40bba4
144c81a46380
1529755aaace
hex179096b04c

101210042444 has 48 divisors (see below), whose sum is σ = 211372761600. Its totient is φ = 41460013056.

The previous prime is 101210042407. The next prime is 101210042477. The reversal of 101210042444 is 444240012101.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 851627 + ... + 963165.

It is an arithmetic number, because the mean of its divisors is an integer number (4403599200).

Almost surely, 2101210042444 is an apocalyptic number.

101210042444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

101210042444 is an abundant number, since it is smaller than the sum of its proper divisors (110162719156).

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

101210042444 is a wasteful number, since it uses less digits than its factorization.

101210042444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112982 (or 112980 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 101210042444 its reverse (444240012101), we get a palindrome (545450054545).

The spelling of 101210042444 in words is "one hundred one billion, two hundred ten million, forty-two thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 23 28 46 92 161 322 644 1409 2818 5636 9863 19726 32407 39452 64814 111539 129628 223078 226849 446156 453698 780773 907396 1561546 2565397 3123092 5130794 10261588 17957779 35915558 71831116 157158451 314316902 628633804 1100109157 2200218314 3614644373 4400436628 7229288746 14458577492 25302510611 50605021222 101210042444