Search a number
-
+
230451701760 = 21132572111693
BaseRepresentation
bin1101011010011111111…
…1011110100000000000
3211000211120112102012100
43112213333132200000
512233431113424020
6253511255430400
722435544100420
oct3264777364000
9730746472170
10230451701760
1189808a83475
12387b5985400
1318968158707
14b22250c480
155edba75a90
hex35a7fde800

230451701760 has 576 divisors, whose sum is σ = 917672595840. Its totient is φ = 52394065920.

The previous prime is 230451701749. The next prime is 230451701839. The reversal of 230451701760 is 67107154032.

It is a happy number.

230451701760 is a `hidden beast` number, since 2 + 30 + 451 + 7 + 0 + 176 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 136119474 + ... + 136121166.

It is an arithmetic number, because the mean of its divisors is an integer number (1593181590).

Almost surely, 2230451701760 is an apocalyptic number.

230451701760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230451701760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (458836297920).

230451701760 is an abundant number, since it is smaller than the sum of its proper divisors (687220894080).

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

230451701760 is a wasteful number, since it uses less digits than its factorization.

230451701760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944 (or 1921 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

Adding to 230451701760 its reverse (67107154032), we get a palindrome (297558855792).

The spelling of 230451701760 in words is "two hundred thirty billion, four hundred fifty-one million, seven hundred one thousand, seven hundred sixty".