Search a number
-
+
2978250168357 = 34677239922639
BaseRepresentation
bin101011010101101101100…
…010110001100000100101
3101112201101101010100110000
4223111231202301200211
5342243424020341412
610200104513051513
7425112546511152
oct53255542614045
911481341110400
102978250168357
11a49083639302
12401255b56b99
13187b0377c139
14a4210477229
155271007e4dc
hex2b56d8b1825

2978250168357 has 40 divisors (see below), whose sum is σ = 4457616768000. Its totient is φ = 1981653369696.

The previous prime is 2978250168347. The next prime is 2978250168403. The reversal of 2978250168357 is 7538610528792.

2978250168357 is a `hidden beast` number, since 2 + 9 + 78 + 2 + 50 + 168 + 357 = 666.

It is a de Polignac number, because none of the positive numbers 2k-2978250168357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2978250168294 and 2978250168303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2978250168337) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 131542644 + ... + 131565282.

It is an arithmetic number, because the mean of its divisors is an integer number (111440419200).

Almost surely, 22978250168357 is an apocalyptic number.

2978250168357 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2978250168357 is a deficient number, since it is larger than the sum of its proper divisors (1479366599643).

2978250168357 is a wasteful number, since it uses less digits than its factorization.

2978250168357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25727 (or 25718 counting only the distinct ones).

The product of its (nonzero) digits is 50803200, while the sum is 63.

The spelling of 2978250168357 in words is "two trillion, nine hundred seventy-eight billion, two hundred fifty million, one hundred sixty-eight thousand, three hundred fifty-seven".

Divisors: 1 3 9 27 81 677 2031 2399 6093 7197 18279 21591 22639 54837 64773 67917 194319 203751 611253 1624123 1833759 4872369 14617107 15326603 43851321 45979809 54310961 131553963 137939427 162932883 413818281 488798649 1241454843 1466395947 4399187841 36768520597 110305561791 330916685373 992750056119 2978250168357