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103130021120 = 285711510047
BaseRepresentation
bin110000000001100000…
…1110011110100000000
3100212012022022220000212
41200003001303310000
53142202241133440
6115213254133252
710310441500340
oct1400301636400
9325168286025
10103130021120
113a812232315
1217ba2051228
139957119249
144dc4a30d20
152a38e13465
hex1803073d00

103130021120 has 72 divisors (see below), whose sum is σ = 282318457344. Its totient is φ = 35358861312.

The previous prime is 103130021119. The next prime is 103130021171. The reversal of 103130021120 is 21120031301.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 103130021095 and 103130021104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5746064 + ... + 5763983.

Almost surely, 2103130021120 is an apocalyptic number.

103130021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103130021120 is an abundant number, since it is smaller than the sum of its proper divisors (179188436224).

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

103130021120 is an equidigital number, since it uses as much as digits as its factorization.

103130021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11510075 (or 11510061 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 103130021120 its reverse (21120031301), we get a palindrome (124250052421).

The spelling of 103130021120 in words is "one hundred three billion, one hundred thirty million, twenty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 256 280 320 448 560 640 896 1120 1280 1792 2240 4480 8960 11510047 23020094 46040188 57550235 80570329 92080376 115100470 161140658 184160752 230200940 322281316 368321504 402851645 460401880 644562632 736643008 805703290 920803760 1289125264 1473286016 1611406580 1841607520 2578250528 2946572032 3222813160 3683215040 5156501056 6445626320 7366430080 10313002112 12891252640 14732860160 20626004224 25782505280 51565010560 103130021120