Search a number
-
+
45211221415 = 5292131146317
BaseRepresentation
bin101010000110110011…
…000111110110100111
311022200211220000101001
4222012303013312213
51220043033041130
632434133214131
73160243020103
oct520663076647
9138624800331
1045211221415
11181a06128a8
128919191347
1343568c6c29
14228c732903
1512992626ca
hexa86cc7da7

45211221415 has 16 divisors (see below), whose sum is σ = 56150995680. Its totient is φ = 34905144960.

The previous prime is 45211221409. The next prime is 45211221481. The reversal of 45211221415 is 51412211254.

It is not a de Polignac number, because 45211221415 - 29 = 45211220903 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235837 + ... + 382153.

It is an arithmetic number, because the mean of its divisors is an integer number (3509437230).

Almost surely, 245211221415 is an apocalyptic number.

45211221415 is a deficient number, since it is larger than the sum of its proper divisors (10939774265).

45211221415 is a wasteful number, since it uses less digits than its factorization.

45211221415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148482.

The product of its digits is 3200, while the sum is 28.

Adding to 45211221415 its reverse (51412211254), we get a palindrome (96623432669).

The spelling of 45211221415 in words is "forty-five billion, two hundred eleven million, two hundred twenty-one thousand, four hundred fifteen".

Divisors: 1 5 29 145 2131 10655 61799 146317 308995 731585 4243193 21215965 311801527 1559007635 9042244283 45211221415