Search a number
-
+
133770418420 = 2257439002047
BaseRepresentation
bin111110010010101010…
…1101001100011110100
3110210021200122100100111
41330211111221203310
54142430211342140
6141241524152404
712443645536612
oct1744525514364
9423250570314
10133770418420
1151805a06311
1221b13538704
13c7cb082552
14669013a6b2
15372dd897ea
hex1f255698f4

133770418420 has 24 divisors (see below), whose sum is σ = 281295995904. Its totient is φ = 53436145056.

The previous prime is 133770418417. The next prime is 133770418423. The reversal of 133770418420 is 24814077331.

It is an interprime number because it is at equal distance from previous prime (133770418417) and next prime (133770418423).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133770418423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4486164 + ... + 4515883.

It is an arithmetic number, because the mean of its divisors is an integer number (11720666496).

Almost surely, 2133770418420 is an apocalyptic number.

133770418420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133770418420 is an abundant number, since it is smaller than the sum of its proper divisors (147525577484).

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

133770418420 is a wasteful number, since it uses less digits than its factorization.

133770418420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9002799 (or 9002797 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 133770418420 in words is "one hundred thirty-three billion, seven hundred seventy million, four hundred eighteen thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 743 1486 2972 3715 7430 14860 9002047 18004094 36008188 45010235 90020470 180040940 6688520921 13377041842 26754083684 33442604605 66885209210 133770418420