Search a number
-
+
30415422553450 = 2521155300768279
BaseRepresentation
bin1101110101001101001000…
…11101001111110101101010
310222200200112002112000112021
412322212210131033311222
512441311241133202300
6144404352514135054
76256304345004004
oct672464435176552
9128620462460467
1030415422553450
1197671211150a0
1234b286758148a
1313c821500365c
14772185929374
1537b295652d1a
hex1ba9a474fd6a

30415422553450 has 24 divisors (see below), whose sum is σ = 61715657400480. Its totient is φ = 11060153655600.

The previous prime is 30415422553433. The next prime is 30415422553507. The reversal of 30415422553450 is 5435522451403.

It is a junction number, because it is equal to n+sod(n) for n = 30415422553397 and 30415422553406.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27650383590 + ... + 27650384689.

It is an arithmetic number, because the mean of its divisors is an integer number (2571485725020).

Almost surely, 230415422553450 is an apocalyptic number.

30415422553450 is an abundant number, since it is smaller than the sum of its proper divisors (31300234847030).

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

30415422553450 is a wasteful number, since it uses less digits than its factorization.

30415422553450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55300768302 (or 55300768297 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 43.

The spelling of 30415422553450 in words is "thirty trillion, four hundred fifteen billion, four hundred twenty-two million, five hundred fifty-three thousand, four hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 275 550 55300768279 110601536558 276503841395 553007682790 608308451069 1216616902138 1382519206975 2765038413950 3041542255345 6083084510690 15207711276725 30415422553450