Search a number
-
+
103163551520 = 255644772197
BaseRepresentation
bin110000000010100000…
…1101101111100100000
3100212021122102102002112
41200011001231330200
53142234332122040
6115220452534452
710311326501531
oct1400501557440
9325248372075
10103163551520
113a82a154197
1217bb1321428
139961059113
144dc927c688
152a3bd38365
hex180506df20

103163551520 has 24 divisors (see below), whose sum is σ = 243723890844. Its totient is φ = 41265420544.

The previous prime is 103163551493. The next prime is 103163551573. The reversal of 103163551520 is 25155361301.

It can be written as a sum of positive squares in 2 ways, for example, as 103089797776 + 73753744 = 321076^2 + 8588^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322385939 + ... + 322386258.

Almost surely, 2103163551520 is an apocalyptic number.

103163551520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103163551520 is an abundant number, since it is smaller than the sum of its proper divisors (140560339324).

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

103163551520 is an equidigital number, since it uses as much as digits as its factorization.

103163551520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644772212 (or 644772204 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 32.

The spelling of 103163551520 in words is "one hundred three billion, one hundred sixty-three million, five hundred fifty-one thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 644772197 1289544394 2579088788 3223860985 5158177576 6447721970 10316355152 12895443940 20632710304 25790887880 51581775760 103163551520