Search a number
-
+
77480697413 = 727194070861
BaseRepresentation
bin100100000101000110…
…1011001111001000101
321101222202121020112202
41020022031121321011
52232140024304123
655332200124245
75412021030050
oct1101215317105
9241882536482
1077480697413
112a94a919829
1213024166685
1373ca207822
143a70341a97
15203722da28
hex120a359e45

77480697413 has 8 divisors (see below), whose sum is σ = 88581957120. Its totient is φ = 66387584880.

The previous prime is 77480697407. The next prime is 77480697431. The reversal of 77480697413 is 31479608477.

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

It is a cyclic number.

It is not a de Polignac number, because 77480697413 - 222 = 77476503109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77480697433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2016398 + ... + 2054463.

It is an arithmetic number, because the mean of its divisors is an integer number (11072744640).

Almost surely, 277480697413 is an apocalyptic number.

It is an amenable number.

77480697413 is a deficient number, since it is larger than the sum of its proper divisors (11101259707).

77480697413 is a wasteful number, since it uses less digits than its factorization.

77480697413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4073587.

The product of its (nonzero) digits is 7112448, while the sum is 56.

The spelling of 77480697413 in words is "seventy-seven billion, four hundred eighty million, six hundred ninety-seven thousand, four hundred thirteen".

Divisors: 1 7 2719 19033 4070861 28496027 11068671059 77480697413