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10100101000 = 2353111019091
BaseRepresentation
bin10010110100000001…
…10100111110001000
3222001220010021212211
421122000310332020
5131141111213000
64350120114504
7505201304413
oct113200647610
928056107784
1010100101000
114313275410
121b5a605a34
13c4c667c32
146bb57cb7a
153e1a827ba
hex25a034f88

10100101000 has 128 divisors (see below), whose sum is σ = 26040942720. Its totient is φ = 3636000000.

The previous prime is 10100100991. The next prime is 10100101001. The reversal of 10100101000 is 10100101.

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

It is not an unprimeable number, because it can be changed into a prime (10100101001) 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, 1106455 + ... + 1115545.

It is an arithmetic number, because the mean of its divisors is an integer number (203444865).

Almost surely, 210100101000 is an apocalyptic number.

10100101000 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 10100101000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13020471360).

10100101000 is an abundant number, since it is smaller than the sum of its proper divisors (15940841720).

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

10100101000 is a wasteful number, since it uses less digits than its factorization.

10100101000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9224 (or 9210 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 4.

Adding to 10100101000 its reverse (10100101), we get a palindrome (10110201101).

10100101000 divided by its reverse (10100101) gives a cube (1000 = 103).

The spelling of 10100101000 in words is "ten billion, one hundred million, one hundred one thousand".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 101 110 125 200 202 220 250 275 404 440 500 505 550 808 1000 1010 1100 1111 1375 2020 2200 2222 2525 2750 4040 4444 5050 5500 5555 8888 9091 10100 11000 11110 12625 18182 20200 22220 25250 27775 36364 44440 45455 50500 55550 72728 90910 100001 101000 111100 138875 181820 200002 222200 227275 277750 363640 400004 454550 500005 555500 800008 909100 918191 1000010 1111000 1136375 1818200 1836382 2000020 2272750 2500025 3672764 4000040 4545500 4590955 5000050 7345528 9091000 9181910 10000100 10100101 12500125 18363820 20000200 20200202 22954775 25000250 36727640 40400404 45909550 50000500 50500505 80800808 91819100 100001000 101001010 114773875 183638200 202002020 229547750 252502525 404004040 459095500 505005050 918191000 1010010100 1262512625 2020020200 2525025250 5050050500 10100101000