Search a number
-
+
30461887188746 = 2137191629500759
BaseRepresentation
bin1101110110100011101011…
…11101110000111100001010
310222212010110021221001111122
412323101311331300330022
512443041421110014441
6144441555304355242
76262540650616016
oct673216575607412
9128763407831448
1030461887188746
1197848a51a6332
1234bb874475b22
1313cc70b4a3cb0
147745128d3546
1537c5b495234b
hex1bb475f70f0a

30461887188746 has 16 divisors (see below), whose sum is σ = 49276102982400. Its totient is φ = 14039778530928.

The previous prime is 30461887188737. The next prime is 30461887188793. The reversal of 30461887188746 is 64788178816403.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30461887188746.

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, 814731686 + ... + 814769073.

It is an arithmetic number, because the mean of its divisors is an integer number (3079756436400).

Almost surely, 230461887188746 is an apocalyptic number.

30461887188746 is a deficient number, since it is larger than the sum of its proper divisors (18814215793654).

30461887188746 is a wasteful number, since it uses less digits than its factorization.

30461887188746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629501493.

The product of its (nonzero) digits is 346816512, while the sum is 71.

The spelling of 30461887188746 in words is "thirty trillion, four hundred sixty-one billion, eight hundred eighty-seven million, one hundred eighty-eight thousand, seven hundred forty-six".

Divisors: 1 2 13 26 719 1438 9347 18694 1629500759 3259001518 21183509867 42367019734 1171611045721 2343222091442 15230943594373 30461887188746