Search a number
-
+
2118749135424 = 26331619760161
BaseRepresentation
bin11110110101001111010…
…010100010001001000000
321111112212021021221211220
4132311033102202021000
5234203144234313144
64301201231035040
7306034402333665
oct36651722421100
97445767257756
102118749135424
11747613718929
122a276496ba80
13124a4955848c
1474795a25a6c
153a1a824b919
hex1ed4f4a2240

2118749135424 has 224 divisors, whose sum is σ = 5942288335872. Its totient is φ = 665321472000.

The previous prime is 2118749135359. The next prime is 2118749135533. The reversal of 2118749135424 is 4245319478112.

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, 35187904 + ... + 35248064.

It is an arithmetic number, because the mean of its divisors is an integer number (26528072928).

Almost surely, 22118749135424 is an apocalyptic number.

2118749135424 is a gapful number since it is divisible by the number (24) 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 2118749135424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2971144167936).

2118749135424 is an abundant number, since it is smaller than the sum of its proper divisors (3823539200448).

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

2118749135424 is a wasteful number, since it uses less digits than its factorization.

2118749135424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60365 (or 60355 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The spelling of 2118749135424 in words is "two trillion, one hundred eighteen billion, seven hundred forty-nine million, one hundred thirty-five thousand, four hundred twenty-four".