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307149034205 = 51323205450859
BaseRepresentation
bin1000111100000111000…
…00100101001011011101
31002100210202002121000202
410132003200211023131
520013020123043310
6353034033433245
731122303466556
oct4360340451335
91070722077022
10307149034205
11109296693532
124b63b70b825
1322c6bc85c70
1410c1a7b532d
157eca1163a5
hex47838252dd

307149034205 has 16 divisors (see below), whose sum is σ = 414188933760. Its totient is φ = 216956106048.

The previous prime is 307149034201. The next prime is 307149034211. The reversal of 307149034205 is 502430941703.

It is not a de Polignac number, because 307149034205 - 22 = 307149034201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307149034201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102723935 + ... + 102726924.

It is an arithmetic number, because the mean of its divisors is an integer number (25886808360).

Almost surely, 2307149034205 is an apocalyptic number.

It is an amenable number.

307149034205 is a deficient number, since it is larger than the sum of its proper divisors (107039899555).

307149034205 is a wasteful number, since it uses less digits than its factorization.

307149034205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205450900.

The product of its (nonzero) digits is 90720, while the sum is 38.

Adding to 307149034205 its reverse (502430941703), we get a palindrome (809579975908).

The spelling of 307149034205 in words is "three hundred seven billion, one hundred forty-nine million, thirty-four thousand, two hundred five".

Divisors: 1 5 13 23 65 115 299 1495 205450859 1027254295 2670861167 4725369757 13354305835 23626848785 61429806841 307149034205