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30025050275 = 5211140977489
BaseRepresentation
bin11011111101101000…
…011110100010100011
32212111111102120220002
4123331220132202203
5442442403102100
621443205010215
72112022500503
oct337550364243
985444376802
1030025050275
11118083a3740
12599b3b396b
132aa662614c
14164b8c9a03
15baae262d5
hex6fda1e8a3

30025050275 has 24 divisors (see below), whose sum is σ = 40645054800. Its totient is φ = 21820620800.

The previous prime is 30025050229. The next prime is 30025050283. The reversal of 30025050275 is 57205052003.

It is not a de Polignac number, because 30025050275 - 226 = 29957941411 is a prime.

It is a super-4 number, since 4×300250502754 (a number of 43 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 348731 + ... + 426219.

It is an arithmetic number, because the mean of its divisors is an integer number (1693543950).

Almost surely, 230025050275 is an apocalyptic number.

30025050275 is a deficient number, since it is larger than the sum of its proper divisors (10620004525).

30025050275 is a wasteful number, since it uses less digits than its factorization.

30025050275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78919 (or 78914 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 29.

The spelling of 30025050275 in words is "thirty billion, twenty-five million, fifty thousand, two hundred seventy-five".

Divisors: 1 5 11 25 55 275 1409 7045 15499 35225 77489 77495 387445 387475 852379 1937225 4261895 21309475 109182001 545910005 1201002011 2729550025 6005010055 30025050275