Search a number
-
+
30500435452540 = 2251861819463607
BaseRepresentation
bin1101110111101011011111…
…00111101110001001111100
310222222210221210021202022111
412323311233213232021330
512444204342433440130
6144511412343423404
76265404136505524
oct673655747561174
9128883853252274
1030500435452540
11979a186739489
123507232154b64
131403242862341
1477632c362684
1537d5bdc7502a
hex1bbd6f9ee27c

30500435452540 has 24 divisors (see below), whose sum is σ = 64085332000032. Its totient is φ = 12193618457280.

The previous prime is 30500435452537. The next prime is 30500435452549. The reversal of 30500435452540 is 4525453400503.

It is a junction number, because it is equal to n+sod(n) for n = 30500435452493 and 30500435452502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30500435452549) 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, 409694584 + ... + 409769023.

It is an arithmetic number, because the mean of its divisors is an integer number (2670222166668).

Almost surely, 230500435452540 is an apocalyptic number.

It is an amenable number.

30500435452540 is an abundant number, since it is smaller than the sum of its proper divisors (33584896547492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30500435452540 is a wasteful number, since it uses less digits than its factorization.

30500435452540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819465477 (or 819465475 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 40.

The spelling of 30500435452540 in words is "thirty trillion, five hundred billion, four hundred thirty-five million, four hundred fifty-two thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 1861 3722 7444 9305 18610 37220 819463607 1638927214 3277854428 4097318035 8194636070 16389272140 1525021772627 3050043545254 6100087090508 7625108863135 15250217726270 30500435452540