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7542200142 = 234113412007
BaseRepresentation
bin1110000011000110…
…01101011101001110
3201110121222110120000
413001203031131032
5110421300401032
63244223305130
7354621433461
oct70143153516
921417873500
107542200142
113220414664
121565a4b1a6
13932745129
145179792d8
152e221ae7c
hex1c18cd74e

7542200142 has 40 divisors (see below), whose sum is σ = 17049715056. Its totient is φ = 2491812288.

The previous prime is 7542200137. The next prime is 7542200153. The reversal of 7542200142 is 2410022457.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 187698 + ... + 224309.

Almost surely, 27542200142 is an apocalyptic number.

7542200142 is an abundant number, since it is smaller than the sum of its proper divisors (9507514914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7542200142 is a wasteful number, since it uses less digits than its factorization.

7542200142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412134 (or 412125 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 7542200142 is about 86845.8412475808. The cubic root of 7542200142 is about 1961.0982445306.

Adding to 7542200142 its reverse (2410022457), we get a palindrome (9952222599).

The spelling of 7542200142 in words is "seven billion, five hundred forty-two million, two hundred thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 81 113 162 226 339 678 1017 2034 3051 6102 9153 18306 412007 824014 1236021 2472042 3708063 7416126 11124189 22248378 33372567 46556791 66745134 93113582 139670373 279340746 419011119 838022238 1257033357 2514066714 3771100071 7542200142