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10000000120 = 2351147796121
BaseRepresentation
bin10010101000000101…
…11110010001111000
3221210220202122021211
421110002332101320
5130440000000440
64332142412504
7502544412205
oct112402762170
927726678254
1010000000120
114271815110
121b30b91134
13c349ba546
146ac162cac
153d7daceea
hex2540be478

10000000120 has 128 divisors (see below), whose sum is σ = 25389158400. Its totient is φ = 3513369600.

The previous prime is 10000000103. The next prime is 10000000121. The reversal of 10000000120 is 2100000001.

It is a Harshad number since it is a multiple of its sum of digits (4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000000121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1630660 + ... + 1636780.

It is an arithmetic number, because the mean of its divisors is an integer number (198352800).

Almost surely, 210000000120 is an apocalyptic number.

10000000120 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 10000000120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12694579200).

10000000120 is an abundant number, since it is smaller than the sum of its proper divisors (15389158280).

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

10000000120 is a wasteful number, since it uses less digits than its factorization.

10000000120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6269 (or 6265 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 4.

Adding to 10000000120 its reverse (2100000001), we get a palindrome (12100000121).

The spelling of 10000000120 in words is "ten billion, one hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 11 20 22 40 44 47 55 79 88 94 110 158 188 220 235 316 376 395 440 470 517 632 790 869 940 1034 1580 1738 1880 2068 2585 3160 3476 3713 4136 4345 5170 6121 6952 7426 8690 10340 12242 14852 17380 18565 20680 24484 29704 30605 34760 37130 40843 48968 61210 67331 74260 81686 122420 134662 148520 163372 204215 244840 269324 287687 326744 336655 408430 483559 538648 575374 673310 816860 967118 1150748 1346620 1438435 1633720 1934236 2301496 2417795 2693240 2876870 3164557 3868472 4835590 5319149 5753740 6329114 9671180 10638298 11507480 12658228 15822785 19342360 21276596 22727273 25316456 26595745 31645570 42553192 45454546 53191490 63291140 90909092 106382980 113636365 126582280 181818184 212765960 227272730 250000003 454545460 500000006 909090920 1000000012 1250000015 2000000024 2500000030 5000000060 10000000120