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202434430144 = 268221384751
BaseRepresentation
bin1011110010001000001…
…0000100010011000000
3201100112000002112211211
42330202002010103000
511304041203231034
6232555212215504
720424341156662
oct2744202042300
9640460075754
10202434430144
1178940a5a641
1233296a6a594
13161217a139b
149b25544532
1553ec04bd64
hex2f220844c0

202434430144 has 28 divisors (see below), whose sum is σ = 401755729888. Its totient is φ = 101204640000.

The previous prime is 202434430073. The next prime is 202434430153. The reversal of 202434430144 is 441034434202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333769 + ... + 718519.

Almost surely, 2202434430144 is an apocalyptic number.

It is an amenable number.

202434430144 is a deficient number, since it is larger than the sum of its proper divisors (199321299744).

202434430144 is an equidigital number, since it uses as much as digits as its factorization.

202434430144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392984 (or 392974 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 202434430144 its reverse (441034434202), we get a palindrome (643468864346).

The spelling of 202434430144 in words is "two hundred two billion, four hundred thirty-four million, four hundred thirty thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 64 8221 16442 32884 65768 131536 263072 384751 526144 769502 1539004 3078008 6156016 12312032 24624064 3163037971 6326075942 12652151884 25304303768 50608607536 101217215072 202434430144