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103154145240 = 23352833037519
BaseRepresentation
bin110000000010001110…
…1110101011111011000
3100212020222201112002210
41200010131311133120
53142224430121430
6115215515155120
710311153524136
oct1400435653730
9325228645083
10103154145240
113a82490a103
1217baa145aa0
13995c114883
144dc7d10756
152a3b0cb2b0
hex18047757d8

103154145240 has 64 divisors (see below), whose sum is σ = 310556044800. Its totient is φ = 27410562432.

The previous prime is 103154145217. The next prime is 103154145247. The reversal of 103154145240 is 42541451301.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 103154145198 and 103154145207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103154145247) 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, 1484800 + ... + 1552719.

It is an arithmetic number, because the mean of its divisors is an integer number (4852438200).

Almost surely, 2103154145240 is an apocalyptic number.

103154145240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103154145240 is an abundant number, since it is smaller than the sum of its proper divisors (207401899560).

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

103154145240 is a wasteful number, since it uses less digits than its factorization.

103154145240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3037816 (or 3037812 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 103154145240 its reverse (42541451301), we get a palindrome (145695596541).

The spelling of 103154145240 in words is "one hundred three billion, one hundred fifty-four million, one hundred forty-five thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 283 566 849 1132 1415 1698 2264 2830 3396 4245 5660 6792 8490 11320 16980 33960 3037519 6075038 9112557 12150076 15187595 18225114 24300152 30375190 36450228 45562785 60750380 72900456 91125570 121500760 182251140 364502280 859617877 1719235754 2578853631 3438471508 4298089385 5157707262 6876943016 8596178770 10315414524 12894268155 17192357540 20630829048 25788536310 34384715080 51577072620 103154145240