Search a number
-
+
237431749042 = 2338093511369
BaseRepresentation
bin1101110100100000001…
…0001111100110110010
3211200212000201120000001
43131020002033212302
512342230011432132
6301024042220214
723103531365455
oct3351002174662
9750760646001
10237431749042
119177003a294
123a0234b466a
131950b2968c7
14b6c555349c
15629974cce7
hex374808f9b2

237431749042 has 8 divisors (see below), whose sum is σ = 356158259100. Its totient is φ = 118712329344.

The previous prime is 237431749031. The next prime is 237431749081. The reversal of 237431749042 is 240947134732.

It can be written as a sum of positive squares in 2 ways, for example, as 214868404521 + 22563344521 = 463539^2 + 150211^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 237431748983 and 237431749001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1688067 + ... + 1823302.

Almost surely, 2237431749042 is an apocalyptic number.

237431749042 is a deficient number, since it is larger than the sum of its proper divisors (118726510058).

237431749042 is a wasteful number, since it uses less digits than its factorization.

237431749042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3545180.

The product of its (nonzero) digits is 1016064, while the sum is 46.

The spelling of 237431749042 in words is "two hundred thirty-seven billion, four hundred thirty-one million, seven hundred forty-nine thousand, forty-two".

Divisors: 1 2 33809 67618 3511369 7022738 118715874521 237431749042