Search a number
-
+
13013110220 = 2251159150501
BaseRepresentation
bin11000001111010010…
…00100110111001100
31020120220110111022012
430013221010313030
5203122324011340
65551140040352
7640322416565
oct140751046714
936526414265
1013013110220
11557861a350
1226320930b8
1312c5012126
148b63bd16c
15512691565
hex307a44dcc

13013110220 has 24 divisors (see below), whose sum is σ = 29811853008. Its totient is φ = 4732040000.

The previous prime is 13013110181. The next prime is 13013110267. The reversal of 13013110220 is 2201131031.

It is a junction number, because it is equal to n+sod(n) for n = 13013110195 and 13013110204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29575031 + ... + 29575470.

It is an arithmetic number, because the mean of its divisors is an integer number (1242160542).

Almost surely, 213013110220 is an apocalyptic number.

13013110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13013110220 is an abundant number, since it is smaller than the sum of its proper divisors (16798742788).

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

13013110220 is a wasteful number, since it uses less digits than its factorization.

13013110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59150521 (or 59150519 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 13013110220 its reverse (2201131031), we get a palindrome (15214241251).

The spelling of 13013110220 in words is "thirteen billion, thirteen million, one hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 59150501 118301002 236602004 295752505 591505010 650655511 1183010020 1301311022 2602622044 3253277555 6506555110 13013110220