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4465397642187 = 312200272
BaseRepresentation
bin100000011111010111001…
…1100001011001111001011
3120210212222020110111202210
41000332232130023033023
51041130113244022222
613255213024400203
7640420500461016
oct100765634131713
916725866414683
104465397642187
111471845613539
12601510776063
13265115219b71
141161aaba637d
157b24de07d0c
hex40fae70b3cb

4465397642187 has 6 divisors (see below), whose sum is σ = 5953868403028. Its totient is φ = 2976929321404.

The previous prime is 4465397642159. The next prime is 4465397642213. The reversal of 4465397642187 is 7812467935644.

It is not a de Polignac number, because 4465397642187 - 28 = 4465397641931 is a prime.

It is a super-2 number, since 2×44653976421872 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4465397642107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3050068 + ... + 4270094.

Almost surely, 24465397642187 is an apocalyptic number.

4465397642187 is a deficient number, since it is larger than the sum of its proper divisors (1488470760841).

4465397642187 is an frugal number, since it uses more digits than its factorization.

4465397642187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440057 (or 1220030 counting only the distinct ones).

The product of its digits is 243855360, while the sum is 66.

The spelling of 4465397642187 in words is "four trillion, four hundred sixty-five billion, three hundred ninety-seven million, six hundred forty-two thousand, one hundred eighty-seven".

Divisors: 1 3 1220027 3660081 1488465880729 4465397642187