Search a number
-
+
248780978342 = 21356916816343
BaseRepresentation
bin1110011110110010000…
…0000111100010100110
3212210010222022010202222
43213230200013202212
513034000412301332
6310142143432342
723655011265521
oct3475440074246
9783128263688
10248780978342
1196564416236
12402702b56b2
131a5c96676c0
14c08096dbb8
156710cc2712
hex39ec8078a6

248780978342 has 16 divisors (see below), whose sum is σ = 402583275360. Its totient is φ = 114620187072.

The previous prime is 248780978323. The next prime is 248780978359. The reversal of 248780978342 is 243879087842.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8393378 + ... + 8422965.

It is an arithmetic number, because the mean of its divisors is an integer number (25161454710).

Almost surely, 2248780978342 is an apocalyptic number.

248780978342 is a deficient number, since it is larger than the sum of its proper divisors (153802297018).

248780978342 is a wasteful number, since it uses less digits than its factorization.

248780978342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16816927.

The product of its (nonzero) digits is 43352064, while the sum is 62.

The spelling of 248780978342 in words is "two hundred forty-eight billion, seven hundred eighty million, nine hundred seventy-eight thousand, three hundred forty-two".

Divisors: 1 2 13 26 569 1138 7397 14794 16816343 33632686 218612459 437224918 9568499167 19136998334 124390489171 248780978342