Search a number
-
+
30724555841458 = 215362277920729
BaseRepresentation
bin1101111110001100111100…
…01111001001111110110010
311000210020110010100011001121
412333012132033021332302
513011342342243411313
6145202355513252454
76320530064414233
oct677063617117662
9130706403304047
1030724555841458
11987623586a8a6
12354275b70412a
13141b40c0ac79b
1478310da5b08a
15384339a6b28d
hex1bf19e3c9fb2

30724555841458 has 4 divisors (see below), whose sum is σ = 46086833762190. Its totient is φ = 15362277920728.

The previous prime is 30724555841443. The next prime is 30724555841491. The reversal of 30724555841458 is 85414855542703.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 30619921059729 + 104634781729 = 5533527^2 + 323473^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30724555841396 and 30724555841405.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7681138960363 + ... + 7681138960366.

Almost surely, 230724555841458 is an apocalyptic number.

30724555841458 is a deficient number, since it is larger than the sum of its proper divisors (15362277920732).

30724555841458 is a wasteful number, since it uses less digits than its factorization.

30724555841458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15362277920731.

The product of its (nonzero) digits is 107520000, while the sum is 61.

The spelling of 30724555841458 in words is "thirty trillion, seven hundred twenty-four billion, five hundred fifty-five million, eight hundred forty-one thousand, four hundred fifty-eight".

Divisors: 1 2 15362277920729 30724555841458