Search a number
-
+
20409624130 = 257291566059
BaseRepresentation
bin10011000000100000…
…100010011001000010
31221200101022022220211
4103000200202121002
5313244330433010
613213121024334
71321524641230
oct230040423102
957611268824
1020409624130
118723778765
123b571850aa
131c0350898c
14db8873950
157e6bd108a
hex4c0822642

20409624130 has 16 divisors (see below), whose sum is σ = 41985512640. Its totient is φ = 6997585392.

The previous prime is 20409624127. The next prime is 20409624203. The reversal of 20409624130 is 3142690402.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20409624092 and 20409624101.

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, 145782960 + ... + 145783099.

It is an arithmetic number, because the mean of its divisors is an integer number (2624094540).

Almost surely, 220409624130 is an apocalyptic number.

20409624130 is an abundant number, since it is smaller than the sum of its proper divisors (21575888510).

20409624130 is a wasteful number, since it uses less digits than its factorization.

20409624130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291566073.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 20409624130 in words is "twenty billion, four hundred nine million, six hundred twenty-four thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 291566059 583132118 1457830295 2040962413 2915660590 4081924826 10204812065 20409624130