Search a number
-
+
20682316230 = 2352932352937
BaseRepresentation
bin10011010000110000…
…110001100111000110
31222101101102112011020
4103100300301213012
5314324133104410
613300141452010
71331345534022
oct232060614706
958341375136
1020682316230
1188536a0334
124012571006
131c47b64c54
141002b79382
15810ae8a70
hex4d0c319c6

20682316230 has 32 divisors (see below), whose sum is σ = 49806991584. Its totient is φ = 5496458496.

The previous prime is 20682316189. The next prime is 20682316231. The reversal of 20682316230 is 3261328602.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20682316191 and 20682316200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20682316231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1167679 + ... + 1185258.

It is an arithmetic number, because the mean of its divisors is an integer number (1556468487).

Almost surely, 220682316230 is an apocalyptic number.

20682316230 is an abundant number, since it is smaller than the sum of its proper divisors (29124675354).

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

20682316230 is a wasteful number, since it uses less digits than its factorization.

20682316230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353240.

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 20682316230 in words is "twenty billion, six hundred eighty-two million, three hundred sixteen thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 293 586 879 1465 1758 2930 4395 8790 2352937 4705874 7058811 11764685 14117622 23529370 35294055 70588110 689410541 1378821082 2068231623 3447052705 4136463246 6894105410 10341158115 20682316230