Search a number
-
+
20023201510 = 2513154024627
BaseRepresentation
bin10010101001011110…
…011100111011100110
31220200110012000201221
4102221132130323212
5312001414422020
613110514410554
71306123255534
oct225136347346
956613160657
1020023201510
118545636724
123a69890a5a
131b7143c340
14d7d405154
157c2d006aa
hex4a979cee6

20023201510 has 16 divisors (see below), whose sum is σ = 38814206256. Its totient is φ = 7393182048.

The previous prime is 20023201487. The next prime is 20023201567. The reversal of 20023201510 is 1510232002.

It is a congruent number.

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, 77012184 + ... + 77012443.

It is an arithmetic number, because the mean of its divisors is an integer number (2425887891).

Almost surely, 220023201510 is an apocalyptic number.

20023201510 is a deficient number, since it is larger than the sum of its proper divisors (18791004746).

20023201510 is a wasteful number, since it uses less digits than its factorization.

20023201510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154024647.

The product of its (nonzero) digits is 120, while the sum is 16.

Adding to 20023201510 its reverse (1510232002), we get a palindrome (21533433512).

The spelling of 20023201510 in words is "twenty billion, twenty-three million, two hundred one thousand, five hundred ten".

Divisors: 1 2 5 10 13 26 65 130 154024627 308049254 770123135 1540246270 2002320151 4004640302 10011600755 20023201510