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7228900142 = 247307250499
BaseRepresentation
bin1101011101110000…
…00100001100101110
3200122210110011202022
412232320010030232
5104301044301032
63153152230142
7344065431422
oct65670041456
920583404668
107228900142
11307a586742
121498b3b352
138b286b709
144c8102b82
152c4981512
hex1aee0432e

7228900142 has 16 divisors (see below), whose sum is σ = 11110176000. Its totient is φ = 3526009848.

The previous prime is 7228900141. The next prime is 7228900153. The reversal of 7228900142 is 2410098227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7228900141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96392 + ... + 154107.

It is an arithmetic number, because the mean of its divisors is an integer number (694386000).

Almost surely, 27228900142 is an apocalyptic number.

7228900142 is a deficient number, since it is larger than the sum of its proper divisors (3881275858).

7228900142 is a wasteful number, since it uses less digits than its factorization.

7228900142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250855.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 7228900142 is about 85022.9389165065. The cubic root of 7228900142 is about 1933.5589109032.

Adding to 7228900142 its reverse (2410098227), we get a palindrome (9638998369).

The spelling of 7228900142 in words is "seven billion, two hundred twenty-eight million, nine hundred thousand, one hundred forty-two".

Divisors: 1 2 47 94 307 614 14429 28858 250499 500998 11773453 23546906 76903193 153806386 3614450071 7228900142