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6422741538 = 236715976969
BaseRepresentation
bin1011111101101001…
…10100001000100010
3121120121112002001020
411332310310020202
5101123210212123
62541153350310
7315106254663
oct57664641042
917517462036
106422741538
1127a6519864
1212b2b68396
137b48405a5
1444d01336a
15278cde7e3
hex17ed34222

6422741538 has 16 divisors (see below), whose sum is σ = 13037207520. Its totient is φ = 2108959776.

The previous prime is 6422741503. The next prime is 6422741539. The reversal of 6422741538 is 8351472246.

It is a self number, because there is not a number n which added to its sum of digits gives 6422741538.

It is not an unprimeable number, because it can be changed into a prime (6422741539) 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, 7988083 + ... + 7988886.

It is an arithmetic number, because the mean of its divisors is an integer number (814825470).

Almost surely, 26422741538 is an apocalyptic number.

6422741538 is an abundant number, since it is smaller than the sum of its proper divisors (6614465982).

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

6422741538 is a wasteful number, since it uses less digits than its factorization.

6422741538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15977041.

The product of its digits is 322560, while the sum is 42.

The square root of 6422741538 is about 80142.0085722837. The cubic root of 6422741538 is about 1858.8320352722.

The spelling of 6422741538 in words is "six billion, four hundred twenty-two million, seven hundred forty-one thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 67 134 201 402 15976969 31953938 47930907 95861814 1070456923 2140913846 3211370769 6422741538