Search a number
-
+
1520040012214 = 21940001052953
BaseRepresentation
bin10110000111101001011…
…100011110100110110110
312101022111012110020102011
4112013221130132212312
5144401020220342324
63122144032434434
7214551002631103
oct26075134364666
95338435406364
101520040012214
11536710a61159
122067163a8a1a
13b04541904b9
14537dada9aaa
15298168bac94
hex161e971e9b6

1520040012214 has 8 divisors (see below), whose sum is σ = 2400063177240. Its totient is φ = 720018953136.

The previous prime is 1520040012193. The next prime is 1520040012313. The reversal of 1520040012214 is 4122100400251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20000526439 + ... + 20000526514.

It is an arithmetic number, because the mean of its divisors is an integer number (300007897155).

Almost surely, 21520040012214 is an apocalyptic number.

1520040012214 is a deficient number, since it is larger than the sum of its proper divisors (880023165026).

1520040012214 is a wasteful number, since it uses less digits than its factorization.

1520040012214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40001052974.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 1520040012214 its reverse (4122100400251), we get a palindrome (5642140412465).

The spelling of 1520040012214 in words is "one trillion, five hundred twenty billion, forty million, twelve thousand, two hundred fourteen".

Divisors: 1 2 19 38 40001052953 80002105906 760020006107 1520040012214