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4972691836 = 227808121977
BaseRepresentation
bin1001010000110010…
…10100000101111100
3110211112222220210201
410220121110011330
540141002114321
62141234013244
7234141116560
oct45031240574
913745886721
104972691836
112121a55a82
12b69417224
136132b9c08
143525d36a0
151e1860291
hex12865417c

4972691836 has 24 divisors (see below), whose sum is σ = 9947066976. Its totient is φ = 2130792960.

The previous prime is 4972691831. The next prime is 4972691863. The reversal of 4972691836 is 6381962794.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4972691831) 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, 215280 + ... + 237256.

It is an arithmetic number, because the mean of its divisors is an integer number (414461124).

Almost surely, 24972691836 is an apocalyptic number.

It is an amenable number.

4972691836 is an abundant number, since it is smaller than the sum of its proper divisors (4974375140).

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

4972691836 is a wasteful number, since it uses less digits than its factorization.

4972691836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30069 (or 30067 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 55.

The square root of 4972691836 is about 70517.3158592980. The cubic root of 4972691836 is about 1706.8571749989.

The spelling of 4972691836 in words is "four billion, nine hundred seventy-two million, six hundred ninety-one thousand, eight hundred thirty-six".

Divisors: 1 2 4 7 14 28 8081 16162 21977 32324 43954 56567 87908 113134 153839 226268 307678 615356 177596137 355192274 710384548 1243172959 2486345918 4972691836