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3113213430 = 235808912829
BaseRepresentation
bin1011100110001111…
…1101110111110110
322000222001121222010
42321203331313312
522333440312210
61232530545050
7140101606665
oct27143756766
98028047863
103113213430
111358367368
1272a738186
133a7ca3432
14217676ddc
151334a8920
hexb98fddf6

3113213430 has 32 divisors (see below), whose sum is σ = 7473218400. Its totient is φ = 830022912.

The previous prime is 3113213429. The next prime is 3113213443. The reversal of 3113213430 is 343123113.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3113213397 and 3113213406.

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, 236256 + ... + 249084.

It is an arithmetic number, because the mean of its divisors is an integer number (233538075).

Almost surely, 23113213430 is an apocalyptic number.

3113213430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3113213430 is an abundant number, since it is smaller than the sum of its proper divisors (4360004970).

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

3113213430 is a wasteful number, since it uses less digits than its factorization.

3113213430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20928.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 3113213430 is about 55796.1775572485. The cubic root of 3113213430 is about 1460.1684658922.

Adding to 3113213430 its reverse (343123113), we get a palindrome (3456336543).

The spelling of 3113213430 in words is "three billion, one hundred thirteen million, two hundred thirteen thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 8089 12829 16178 24267 25658 38487 40445 48534 64145 76974 80890 121335 128290 192435 242670 384870 103773781 207547562 311321343 518868905 622642686 1037737810 1556606715 3113213430