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245434323320 = 23583388919009
BaseRepresentation
bin1110010010010100000…
…1101001000101111000
3212110111201222110010222
43210211001221011320
513010122141321240
6304430113155212
723506043220014
oct3444501510570
9773451873128
10245434323320
11950a730583a
123b69755bb08
131a1b51cb664
14bc442cb544
1565b70a5eb5
hex3925069178

245434323320 has 64 divisors (see below), whose sum is σ = 559053684000. Its totient is φ = 96960872448.

The previous prime is 245434323247. The next prime is 245434323353. The reversal of 245434323320 is 23323434542.

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, 12901976 + ... + 12920984.

Almost surely, 2245434323320 is an apocalyptic number.

245434323320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245434323320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279526842000).

245434323320 is an abundant number, since it is smaller than the sum of its proper divisors (313619360680).

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

245434323320 is a wasteful number, since it uses less digits than its factorization.

245434323320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22992 (or 22988 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 35.

Adding to 245434323320 its reverse (23323434542), we get a palindrome (268757757862).

The spelling of 245434323320 in words is "two hundred forty-five billion, four hundred thirty-four million, three hundred twenty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 83 166 332 415 664 830 1660 3320 3889 7778 15556 19009 19445 31112 38018 38890 76036 77780 95045 152072 155560 190090 322787 380180 645574 760360 1291148 1577747 1613935 2582296 3155494 3227870 6310988 6455740 7888735 12621976 12911480 15777470 31554940 63109880 73926001 147852002 295704004 369630005 591408008 739260010 1478520020 2957040040 6135858083 12271716166 24543432332 30679290415 49086864664 61358580830 122717161660 245434323320