Search a number
-
+
31004446046 = 2710729370639
BaseRepresentation
bin11100111000000000…
…100100110101011110
32222000202100001022112
4130320000210311132
51001444114233141
622124312514022
72145214304660
oct347000446536
988022301275
1031004446046
1112170224232
1260133ab912
132c014cab82
1417019d2530
15c16dd77eb
hex738024d5e

31004446046 has 32 divisors (see below), whose sum is σ = 53831070720. Its totient is φ = 13118324256.

The previous prime is 31004446021. The next prime is 31004446061. The reversal of 31004446046 is 64064440013.

It is a super-2 number, since 2×310044460462 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 403595 + ... + 474233.

It is an arithmetic number, because the mean of its divisors is an integer number (1682220960).

Almost surely, 231004446046 is an apocalyptic number.

31004446046 is a deficient number, since it is larger than the sum of its proper divisors (22826624674).

31004446046 is a wasteful number, since it uses less digits than its factorization.

31004446046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71048.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 31004446046 its reverse (64064440013), we get a palindrome (95068886059).

The spelling of 31004446046 in words is "thirty-one billion, four million, four hundred forty-six thousand, forty-six".

Divisors: 1 2 7 14 107 214 293 586 749 1498 2051 4102 31351 62702 70639 141278 219457 438914 494473 988946 7558373 15116746 20697227 41394454 52908611 105817222 144880589 289761178 2214603289 4429206578 15502223023 31004446046