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431440302030 = 23536857390193
BaseRepresentation
bin1100100011100111101…
…10001000111111001110
31112020121211001012022120
412101303312020333032
524032042204131110
6530111222553410
743112331026103
oct6216366107716
91466554035276
10431440302030
11156a77891691
126b748598866
13318b922305a
1416c4ba10aaa
15b351bc8870
hex6473d88fce

431440302030 has 32 divisors (see below), whose sum is σ = 1035487472544. Its totient is φ = 115047330816.

The previous prime is 431440302001. The next prime is 431440302067. The reversal of 431440302030 is 30203044134.

It is a super-2 number, since 2×4314403020302 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 910614 + ... + 1300806.

It is an arithmetic number, because the mean of its divisors is an integer number (32358983517).

Almost surely, 2431440302030 is an apocalyptic number.

431440302030 is an abundant number, since it is smaller than the sum of its proper divisors (604047170514).

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

431440302030 is a wasteful number, since it uses less digits than its factorization.

431440302030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427060.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 431440302030 its reverse (30203044134), we get a palindrome (461643346164).

The spelling of 431440302030 in words is "four hundred thirty-one billion, four hundred forty million, three hundred two thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 36857 73714 110571 184285 221142 368570 390193 552855 780386 1105710 1170579 1950965 2341158 3901930 5852895 11705790 14381343401 28762686802 43144030203 71906717005 86288060406 143813434010 215720151015 431440302030