Search a number
-
+
20157547622330 = 2519106092355907
BaseRepresentation
bin1001001010101010010110…
…11101110010111110111010
32122101001011011002221221002
410211111023131302332322
510120230124142403310
6110512125522245002
74150222551511646
oct445251335627672
978331134087832
1020157547622330
11647184a143598
122316801ab6762
13b32b054562c1
144d98b8199c26
1524e5263a2da5
hex12554b772fba

20157547622330 has 16 divisors (see below), whose sum is σ = 38193248126880. Its totient is φ = 7638649625232.

The previous prime is 20157547622323. The next prime is 20157547622351. The reversal of 20157547622330 is 3322674575102.

It is a super-2 number, since 2×201575476223302 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53046177764 + ... + 53046178143.

It is an arithmetic number, because the mean of its divisors is an integer number (2387078007930).

Almost surely, 220157547622330 is an apocalyptic number.

20157547622330 is a deficient number, since it is larger than the sum of its proper divisors (18035700504550).

20157547622330 is a wasteful number, since it uses less digits than its factorization.

20157547622330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106092355933.

The product of its (nonzero) digits is 2116800, while the sum is 47.

The spelling of 20157547622330 in words is "twenty trillion, one hundred fifty-seven billion, five hundred forty-seven million, six hundred twenty-two thousand, three hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 106092355907 212184711814 530461779535 1060923559070 2015754762233 4031509524466 10078773811165 20157547622330