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10010100420 = 2233547394409
BaseRepresentation
bin10010101001010011…
…00000001011000100
3221211121202210022000
421110221200023010
5131000041203140
64333143105300
7503026310145
oct112451401304
927747683260
1010010100420
114277493671
121b34442230
13c36b15958
146ad631acc
153d8c05a30
hex254a602c4

10010100420 has 96 divisors (see below), whose sum is σ = 31805222400. Its totient is φ = 2612558592.

The previous prime is 10010100413. The next prime is 10010100437. The reversal of 10010100420 is 2400101001.

It is a happy number.

It is a super-2 number, since 2×100101004202 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171825 + ... + 222584.

It is an arithmetic number, because the mean of its divisors is an integer number (331304400).

Almost surely, 210010100420 is an apocalyptic number.

10010100420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10010100420 is an abundant number, since it is smaller than the sum of its proper divisors (21795121980).

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

10010100420 is a wasteful number, since it uses less digits than its factorization.

10010100420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394474 (or 394466 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10010100420 its reverse (2400101001), we get a palindrome (12410201421).

The spelling of 10010100420 in words is "ten billion, ten million, one hundred thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 47 54 60 90 94 108 135 141 180 188 235 270 282 423 470 540 564 705 846 940 1269 1410 1692 2115 2538 2820 4230 5076 6345 8460 12690 25380 394409 788818 1183227 1577636 1972045 2366454 3549681 3944090 4732908 5916135 7099362 7888180 10649043 11832270 14198724 17748405 18537223 21298086 23664540 35496810 37074446 42596172 53245215 55611669 70993620 74148892 92686115 106490430 111223338 166835007 185372230 212980860 222446676 278058345 333670014 370744460 500505021 556116690 667340028 834175035 1001010042 1112233380 1668350070 2002020084 2502525105 3336700140 5005050210 10010100420