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10103120031030 = 23513139186370043
BaseRepresentation
bin1001001100000101000011…
…1000010110110100110110
31022202211220210202121000220
42103001100320112310312
52311012142211443110
633253150445115210
72061632506216215
oct223012070266466
938684823677026
1010103120031030
113245788962664
121172076558b06
13583949187570
1426cdca6bd07c
15127c13031370
hex93050e16d36

10103120031030 has 64 divisors (see below), whose sum is σ = 26300540609280. Its totient is φ = 2469030316416.

The previous prime is 10103120030911. The next prime is 10103120031041. The reversal of 10103120031030 is 3013002130101.

It is a super-2 number, since 2×101031200310302 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93130812 + ... + 93239231.

It is an arithmetic number, because the mean of its divisors is an integer number (410945947020).

Almost surely, 210103120031030 is an apocalyptic number.

10103120031030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10103120031030 is an abundant number, since it is smaller than the sum of its proper divisors (16197420578250).

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

10103120031030 is a wasteful number, since it uses less digits than its factorization.

10103120031030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186370205.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 10103120031030 its reverse (3013002130101), we get a palindrome (13116122161131).

The spelling of 10103120031030 in words is "ten trillion, one hundred three billion, one hundred twenty million, thirty-one thousand, thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 139 195 278 390 417 695 834 1390 1807 2085 3614 4170 5421 9035 10842 18070 27105 54210 186370043 372740086 559110129 931850215 1118220258 1863700430 2422810559 2795550645 4845621118 5591101290 7268431677 12114052795 14536863354 24228105590 25905435977 36342158385 51810871954 72684316770 77716307931 129527179885 155432615862 259054359770 336770667701 388581539655 673541335402 777163079310 1010312003103 1683853338505 2020624006206 3367706677010 5051560015515 10103120031030