Search a number
-
+
10101455220 = 2235325751691
BaseRepresentation
bin10010110100001011…
…11111100101110100
3222001222200002112010
421122011333211310
5131141433031340
64350205124220
7505215644523
oct113205774564
928058602463
1010101455220
11431400a8aa
121b5ab59670
13c4ca2044c
146bb8124ba
153e1c4db80
hex25a17f974

10101455220 has 48 divisors (see below), whose sum is σ = 28293306048. Its totient is φ = 2692842240.

The previous prime is 10101455201. The next prime is 10101455239. The reversal of 10101455220 is 2255410101.

It is an interprime number because it is at equal distance from previous prime (10101455201) and next prime (10101455239).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 169575 + ... + 221265.

It is an arithmetic number, because the mean of its divisors is an integer number (589443876).

Almost surely, 210101455220 is an apocalyptic number.

10101455220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10101455220 is an abundant number, since it is smaller than the sum of its proper divisors (18191850828).

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

10101455220 is a wasteful number, since it uses less digits than its factorization.

10101455220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54960 (or 54958 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 10101455220 its reverse (2255410101), we get a palindrome (12356865321).

The spelling of 10101455220 in words is "ten billion, one hundred one million, four hundred fifty-five thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 3257 6514 9771 13028 16285 19542 32570 39084 48855 51691 65140 97710 103382 155073 195420 206764 258455 310146 516910 620292 775365 1033820 1550730 3101460 168357587 336715174 505072761 673430348 841787935 1010145522 1683575870 2020291044 2525363805 3367151740 5050727610 10101455220