Search a number
-
+
47630938749 = 3731991092929
BaseRepresentation
bin101100010111000001…
…100111001001111101
311112221111000101112120
4230113001213021331
51240022010014444
633514212153153
73304224204432
oct542701471175
9145844011476
1047630938749
1119222472299
1292936087b9
134650cc7434
14243bc45b89
15138b8d0b19
hexb1706727d

47630938749 has 16 divisors (see below), whose sum is σ = 64701456000. Its totient is φ = 31161563136.

The previous prime is 47630938723. The next prime is 47630938769. The reversal of 47630938749 is 94783903674.

It is not a de Polignac number, because 47630938749 - 29 = 47630938237 is a prime.

It is a super-2 number, since 2×476309387492 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47630938692 and 47630938701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47630938769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 502884 + ... + 590045.

It is an arithmetic number, because the mean of its divisors is an integer number (4043841000).

Almost surely, 247630938749 is an apocalyptic number.

It is an amenable number.

47630938749 is a deficient number, since it is larger than the sum of its proper divisors (17070517251).

47630938749 is a wasteful number, since it uses less digits than its factorization.

47630938749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093204.

The product of its (nonzero) digits is 27433728, while the sum is 60.

The spelling of 47630938749 in words is "forty-seven billion, six hundred thirty million, nine hundred thirty-eight thousand, seven hundred forty-nine".

Divisors: 1 3 73 199 219 597 14527 43581 1092929 3278787 79783817 217492871 239351451 652478613 15876979583 47630938749