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103012003120 = 24513249915269
BaseRepresentation
bin101111111101111111…
…1100110110100110000
3100211220002020221202211
41133323333212310300
53141432033044440
6115153440421504
710304506402465
oct1377377466460
9324802227684
10103012003120
113a761654684
1217b6a617894
139938837500
144db30ad66c
152a2d89eeea
hex17fbfe6d30

103012003120 has 120 divisors (see below), whose sum is σ = 259880130000. Its totient is φ = 37956492288.

The previous prime is 103012003099. The next prime is 103012003151. The reversal of 103012003120 is 21300210301.

It is a super-3 number, since 3×1030120031203 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 103012003120.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6738846 + ... + 6754114.

It is an arithmetic number, because the mean of its divisors is an integer number (2165667750).

Almost surely, 2103012003120 is an apocalyptic number.

103012003120 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 103012003120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129940065000).

103012003120 is an abundant number, since it is smaller than the sum of its proper divisors (156868126880).

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

103012003120 is a wasteful number, since it uses less digits than its factorization.

103012003120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15807 (or 15788 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 103012003120 its reverse (21300210301), we get a palindrome (124312213421).

The spelling of 103012003120 in words is "one hundred three billion, twelve million, three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 169 208 260 338 499 520 676 845 998 1040 1352 1690 1996 2495 2704 3380 3992 4990 6487 6760 7984 9980 12974 13520 15269 19960 25948 30538 32435 39920 51896 61076 64870 76345 84331 103792 122152 129740 152690 168662 198497 244304 259480 305380 337324 396994 421655 518960 610760 674648 793988 843310 992485 1221520 1349296 1587976 1686620 1984970 2580461 3175952 3373240 3969940 5160922 6746480 7619231 7939880 10321844 12902305 15238462 15879760 20643688 25804610 30476924 38096155 41287376 51609220 60953848 76192310 99050003 103218440 121907696 152384620 198100006 206436880 304769240 396200012 495250015 609538480 792400024 990500030 1287650039 1584800048 1981000060 2575300078 3962000120 5150600156 6438250195 7924000240 10301200312 12876500390 20602400624 25753000780 51506001560 103012003120