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115423421340 = 223517641176537
BaseRepresentation
bin110101101111111000…
…1011010001110011100
3102000221001112022211010
41223133301122032130
53342341343440330
6125005204255220
711224204615323
oct1533761321634
9360831468733
10115423421340
1144a5056a907
121a4530a1510
13ab65caa866
14582d5c50ba
1530082dc3b0
hex1adfc5a39c

115423421340 has 96 divisors (see below), whose sum is σ = 342732285504. Its totient is φ = 28923658240.

The previous prime is 115423421327. The next prime is 115423421371. The reversal of 115423421340 is 43124324511.

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 = 115423421298 and 115423421307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 565552 + ... + 742088.

It is an arithmetic number, because the mean of its divisors is an integer number (3570127974).

Almost surely, 2115423421340 is an apocalyptic number.

115423421340 is a gapful number since it is divisible by the number (10) 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 115423421340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171366142752).

115423421340 is an abundant number, since it is smaller than the sum of its proper divisors (227308864164).

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

115423421340 is a wasteful number, since it uses less digits than its factorization.

115423421340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177207 (or 177205 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 115423421340 its reverse (43124324511), we get a palindrome (158547745851).

The spelling of 115423421340 in words is "one hundred fifteen billion, four hundred twenty-three million, four hundred twenty-one thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 102 170 204 255 340 510 641 1020 1282 1923 2564 3205 3846 6410 7692 9615 10897 12820 19230 21794 32691 38460 43588 54485 65382 108970 130764 163455 176537 217940 326910 353074 529611 653820 706148 882685 1059222 1765370 2118444 2648055 3001129 3530740 5296110 6002258 9003387 10592220 12004516 15005645 18006774 30011290 36013548 45016935 60022580 90033870 113160217 180067740 226320434 339480651 452640868 565801085 678961302 1131602170 1357922604 1697403255 1923723689 2263204340 3394806510 3847447378 5771171067 6789613020 7694894756 9618618445 11542342134 19237236890 23084684268 28855855335 38474473780 57711710670 115423421340