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10142100440 = 2351938334843
BaseRepresentation
bin10010111001000010…
…00010101111011000
3222011211011002021122
421130201002233120
5131232334203230
64354220224412
7506221300643
oct113441025730
928154132248
1010142100440
114334a5119a
121b7069b108
13c58281884
146c2d92a5a
153e55cbbe5
hex25c842bd8

10142100440 has 64 divisors (see below), whose sum is σ = 24084172800. Its totient is φ = 3833177472.

The previous prime is 10142100439. The next prime is 10142100467. The reversal of 10142100440 is 4400124101.

It is a congruent number.

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, 273659 + ... + 308501.

It is an arithmetic number, because the mean of its divisors is an integer number (376315200).

Almost surely, 210142100440 is an apocalyptic number.

10142100440 is a gapful number since it is divisible by the number (10) 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 10142100440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12042086400).

10142100440 is an abundant number, since it is smaller than the sum of its proper divisors (13942072360).

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

10142100440 is a wasteful number, since it uses less digits than its factorization.

10142100440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35256 (or 35252 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10142100440 its reverse (4400124101), we get a palindrome (14542224541).

The spelling of 10142100440 in words is "ten billion, one hundred forty-two million, one hundred thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 383 760 766 1532 1915 3064 3830 7277 7660 14554 15320 29108 34843 36385 58216 69686 72770 139372 145540 174215 278744 291080 348430 662017 696860 1324034 1393720 2648068 3310085 5296136 6620170 13240340 13344869 26480680 26689738 53379476 66724345 106758952 133448690 253552511 266897380 507105022 533794760 1014210044 1267762555 2028420088 2535525110 5071050220 10142100440