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10121100010 = 257792636959
BaseRepresentation
bin10010110110100001…
…11011101011101010
3222010100122011002221
421123100323223222
5131212000200020
64352150144254
7505544634130
oct113320735352
928110564087
1010121100010
11432410826a
121b6565208a
13c53b0ac98
146c0287750
153e382e6aa
hex25b43baea

10121100010 has 64 divisors (see below), whose sum is σ = 21167308800. Its totient is φ = 3412648512.

The previous prime is 10121099999. The next prime is 10121100019. The reversal of 10121100010 is 1000112101.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a junction number, because it is equal to n+sod(n) for n = 10121099966 and 10121100002.

It is not an unprimeable number, because it can be changed into a prime (10121100019) by changing a digit.

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, 1450911 + ... + 1457869.

It is an arithmetic number, because the mean of its divisors is an integer number (330739200).

Almost surely, 210121100010 is an apocalyptic number.

10121100010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10121100010 is an abundant number, since it is smaller than the sum of its proper divisors (11046208790).

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

10121100010 is a wasteful number, since it uses less digits than its factorization.

10121100010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7315.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 10121100010 its reverse (1000112101), we get a palindrome (11121212111).

The spelling of 10121100010 in words is "ten billion, one hundred twenty-one million, one hundred thousand, ten".

Divisors: 1 2 5 7 10 14 35 70 79 158 263 395 526 553 790 1106 1315 1841 2630 2765 3682 5530 6959 9205 13918 18410 20777 34795 41554 48713 69590 97426 103885 145439 207770 243565 290878 487130 549761 727195 1099522 1454390 1830217 2748805 3660434 3848327 5497610 7696654 9151085 12811519 18302170 19241635 25623038 38483270 64057595 128115190 144587143 289174286 722935715 1012110001 1445871430 2024220002 5060550005 10121100010