Search a number
-
+
133441340987 = 1961211545663
BaseRepresentation
bin111110001000110111…
…0010100011000111011
3110202102202102110222102
41330101232110120323
54141241440402422
6141145131014015
712432541453313
oct1742156243073
9422382373872
10133441340987
1151657181599
1221a4129a30b
13c777b43686
14665c558443
153710035192
hex1f11b9463b

133441340987 has 16 divisors (see below), whose sum is σ = 143444152320. Its totient is φ = 123756141600.

The previous prime is 133441340947. The next prime is 133441340993. The reversal of 133441340987 is 789043144331.

It is a cyclic number.

It is not a de Polignac number, because 133441340987 - 210 = 133441339963 is a prime.

It is a super-2 number, since 2×1334413409872 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133441340947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28283 + ... + 517380.

It is an arithmetic number, because the mean of its divisors is an integer number (8965259520).

Almost surely, 2133441340987 is an apocalyptic number.

133441340987 is a deficient number, since it is larger than the sum of its proper divisors (10002811333).

133441340987 is a wasteful number, since it uses less digits than its factorization.

133441340987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545954.

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 133441340987 in words is "one hundred thirty-three billion, four hundred forty-one million, three hundred forty thousand, nine hundred eighty-seven".

Divisors: 1 19 61 211 1159 4009 12871 244549 545663 10367597 33285443 115134893 632423417 2187562967 7023228473 133441340987