Search a number
-
+
1461651703830 = 2335172272834957
BaseRepresentation
bin10101010001010001001…
…110110000100000010110
312011201210000112211221000
4111101101032300200112
5142421430314010310
63035250140404130
7210413043326553
oct25212116604026
95151700484830
101461651703830
1151397931093a
121b7340246646
13a7aaa6008b6
1450a5c5b1a2a
152804a8c64c0
hex154513b0816

1461651703830 has 256 divisors, whose sum is σ = 4160683791360. Its totient is φ = 363865872384.

The previous prime is 1461651703829. The next prime is 1461651703861. The reversal of 1461651703830 is 383071561641.

1461651703830 is a `hidden beast` number, since 1 + 46 + 1 + 65 + 170 + 383 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 294863712 + ... + 294868668.

It is an arithmetic number, because the mean of its divisors is an integer number (16252671060).

Almost surely, 21461651703830 is an apocalyptic number.

1461651703830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1461651703830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2080341895680).

1461651703830 is an abundant number, since it is smaller than the sum of its proper divisors (2699032087530).

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

1461651703830 is a wasteful number, since it uses less digits than its factorization.

1461651703830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5500 (or 5494 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 1461651703830 in words is "one trillion, four hundred sixty-one billion, six hundred fifty-one million, seven hundred three thousand, eight hundred thirty".