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4345051720 = 2351071015199
BaseRepresentation
bin1000000101111110…
…00011101001001000
3102012210222111102111
410002333003221020
532344313123340
61555053312104
7212450221162
oct40277035110
912183874374
104345051720
11192a739739
12a13195634
13543264529
142d30d3932
151a66d2aea
hex102fc3a48

4345051720 has 32 divisors (see below), whose sum is σ = 9867744000. Its totient is φ = 1721775808.

The previous prime is 4345051703. The next prime is 4345051757. The reversal of 4345051720 is 271505434.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503320 + ... + 511879.

It is an arithmetic number, because the mean of its divisors is an integer number (308367000).

Almost surely, 24345051720 is an apocalyptic number.

4345051720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4345051720 is an abundant number, since it is smaller than the sum of its proper divisors (5522692280).

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

4345051720 is a wasteful number, since it uses less digits than its factorization.

4345051720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015317 (or 1015313 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 4345051720 is about 65917.0063033812. The cubic root of 4345051720 is about 1631.7926906109.

The spelling of 4345051720 in words is "four billion, three hundred forty-five million, fifty-one thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 107 214 428 535 856 1070 2140 4280 1015199 2030398 4060796 5075995 8121592 10151990 20303980 40607960 108626293 217252586 434505172 543131465 869010344 1086262930 2172525860 4345051720