Search a number
-
+
20150153415 = 3257131488311
BaseRepresentation
bin10010110001000010…
…101111000011000111
31221000022001212000100
4102301002233003013
5312231414402130
613131251415143
71312224322650
oct226102570307
957008055010
1020150153415
118600266557
123aa42b44b3
131b9182b602
14d92210527
157ce02ac60
hex4b10af0c7

20150153415 has 48 divisors (see below), whose sum is σ = 40221282816. Its totient is φ = 9141163200.

The previous prime is 20150153381. The next prime is 20150153461. The reversal of 20150153415 is 51435105102.

It is not a de Polignac number, because 20150153415 - 26 = 20150153351 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 202891 + ... + 285420.

It is an arithmetic number, because the mean of its divisors is an integer number (837943392).

Almost surely, 220150153415 is an apocalyptic number.

20150153415 is a deficient number, since it is larger than the sum of its proper divisors (20071129401).

20150153415 is a wasteful number, since it uses less digits than its factorization.

20150153415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488460 (or 488457 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 20150153415 its reverse (51435105102), we get a palindrome (71585258517).

The spelling of 20150153415 in words is "twenty billion, one hundred fifty million, one hundred fifty-three thousand, four hundred fifteen".

Divisors: 1 3 5 7 9 15 21 35 45 63 105 131 315 393 655 917 1179 1965 2751 4585 5895 8253 13755 41265 488311 1464933 2441555 3418177 4394799 7324665 10254531 17090885 21973995 30763593 51272655 63968741 153817965 191906223 319843705 447781187 575718669 959531115 1343343561 2238905935 2878593345 4030030683 6716717805 20150153415