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4123142320 = 245114685389
BaseRepresentation
bin1111010111000010…
…0010100010110000
3101122100102022221211
43311300202202300
531421011023240
61521045125504
7204114063043
oct36560424260
911570368854
104123142320
111826451940
129709b9894
135092a89ab
142b184ac5a
15191e9bbea
hexf5c228b0

4123142320 has 40 divisors (see below), whose sum is σ = 10457790480. Its totient is φ = 1499324160.

The previous prime is 4123142299. The next prime is 4123142347. The reversal of 4123142320 is 232413214.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 4123142291 and 4123142300.

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, 2341815 + ... + 2343574.

It is an arithmetic number, because the mean of its divisors is an integer number (261444762).

Almost surely, 24123142320 is an apocalyptic number.

4123142320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4123142320 is an abundant number, since it is smaller than the sum of its proper divisors (6334648160).

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

4123142320 is a wasteful number, since it uses less digits than its factorization.

4123142320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4685413 (or 4685407 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 4123142320 is about 64211.6992455425. The cubic root of 4123142320 is about 1603.5263784495.

Adding to 4123142320 its reverse (232413214), we get a palindrome (4355555534).

The spelling of 4123142320 in words is "four billion, one hundred twenty-three million, one hundred forty-two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 880 4685389 9370778 18741556 23426945 37483112 46853890 51539279 74966224 93707780 103078558 187415560 206157116 257696395 374831120 412314232 515392790 824628464 1030785580 2061571160 4123142320