Search a number
-
+
2961400286208 = 210371317536043
BaseRepresentation
bin101011000110000001001…
…101100100110000000000
3101111002220002002122111210
4223012001031210300000
5342004421433124313
610144240513410120
7423645155050260
oct53060115446000
911432802078453
102961400286208
11a41a17292471
123b9b32b69940
131863498c9480
14a34926b37a0
1552075b5b9c3
hex2b181364c00

2961400286208 has 352 divisors, whose sum is σ = 9721872057856. Its totient is φ = 780453937152.

The previous prime is 2961400286123. The next prime is 2961400286219. The reversal of 2961400286208 is 8026820041692.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 490051635 + ... + 490057677.

Almost surely, 22961400286208 is an apocalyptic number.

2961400286208 is a gapful number since it is divisible by the number (28) 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 2961400286208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4860936028928).

2961400286208 is an abundant number, since it is smaller than the sum of its proper divisors (6760471771648).

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

2961400286208 is a wasteful number, since it uses less digits than its factorization.

2961400286208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7839 (or 7821 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The spelling of 2961400286208 in words is "two trillion, nine hundred sixty-one billion, four hundred million, two hundred eighty-six thousand, two hundred eight".