Search a number
-
+
23031301030 = 252981977237
BaseRepresentation
bin10101011100110001…
…011100001110100110
32012110002110022112021
4111130301130032212
5334132003113110
614325212413354
71443510554143
oct253461341646
965402408467
1023031301030
119849629391
12456917725a
1322306cb39a
141186b193ca
158ebe442da
hex55cc5c3a6

23031301030 has 16 divisors (see below), whose sum is σ = 41458268880. Its totient is φ = 9212092192.

The previous prime is 23031301001. The next prime is 23031301031. The reversal of 23031301030 is 3010313032.

It is a junction number, because it is equal to n+sod(n) for n = 23031300995 and 23031301013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23031301031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259572 + ... + 336808.

It is an arithmetic number, because the mean of its divisors is an integer number (2591141805).

Almost surely, 223031301030 is an apocalyptic number.

23031301030 is a deficient number, since it is larger than the sum of its proper divisors (18426967850).

23031301030 is a wasteful number, since it uses less digits than its factorization.

23031301030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107063.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 23031301030 its reverse (3010313032), we get a palindrome (26041614062).

The spelling of 23031301030 in words is "twenty-three billion, thirty-one million, three hundred one thousand, thirty".

Divisors: 1 2 5 10 29819 59638 77237 149095 154474 298190 386185 772370 2303130103 4606260206 11515650515 23031301030