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10310140242 = 234477971699
BaseRepresentation
bin10011001101000100…
…00100000101010010
3222121112100101120000
421212202010011102
5132103343441432
64423022030430
7513331513623
oct114642040522
928545311500
1010310140242
114410894a66
121bb8a18416
13c840288cc
146db415a4a
1540522157c
hex266884152

10310140242 has 80 divisors (see below), whose sum is σ = 23637398400. Its totient is φ = 3357394272.

The previous prime is 10310140237. The next prime is 10310140249. The reversal of 10310140242 is 24204101301.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10310140249) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6067509 + ... + 6069207.

It is an arithmetic number, because the mean of its divisors is an integer number (295467480).

Almost surely, 210310140242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10310140242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11818699200).

10310140242 is an abundant number, since it is smaller than the sum of its proper divisors (13327258158).

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

10310140242 is a wasteful number, since it uses less digits than its factorization.

10310140242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2557 (or 2548 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 10310140242 its reverse (24204101301), we get a palindrome (34514241543).

The spelling of 10310140242 in words is "ten billion, three hundred ten million, one hundred forty thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 27 47 54 81 94 141 162 282 423 797 846 1269 1594 1699 2391 2538 3398 3807 4782 5097 7173 7614 10194 14346 15291 21519 30582 37459 43038 45873 64557 74918 79853 91746 112377 129114 137619 159706 224754 239559 275238 337131 479118 674262 718677 1011393 1354103 1437354 2022786 2156031 2708206 3034179 4062309 4312062 6068358 6468093 8124618 12186927 12936186 24373854 36560781 63642841 73121562 109682343 127285682 190928523 219364686 381857046 572785569 1145571138 1718356707 3436713414 5155070121 10310140242