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30652117140 = 2235510868619
BaseRepresentation
bin11100100011000000…
…100011000010010100
32221010012100212220210
4130203000203002110
51000233420222030
622025325125420
72133405461001
oct344300430224
987105325823
1030652117140
1111aaa359317
125b353b9870
132b7650a928
1416aacba8a8
15be5eddbb0
hex723023094

30652117140 has 24 divisors (see below), whose sum is σ = 85825928160. Its totient is φ = 8173897888.

The previous prime is 30652117127. The next prime is 30652117141. The reversal of 30652117140 is 4171125603.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 30652117098 and 30652117107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30652117141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255434250 + ... + 255434369.

It is an arithmetic number, because the mean of its divisors is an integer number (3576080340).

Almost surely, 230652117140 is an apocalyptic number.

30652117140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30652117140 is an abundant number, since it is smaller than the sum of its proper divisors (55173811020).

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

30652117140 is a wasteful number, since it uses less digits than its factorization.

30652117140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510868631 (or 510868629 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The spelling of 30652117140 in words is "thirty billion, six hundred fifty-two million, one hundred seventeen thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 510868619 1021737238 1532605857 2043474476 2554343095 3065211714 5108686190 6130423428 7663029285 10217372380 15326058570 30652117140