Search a number
-
+
30520210416512 = 27238439143879
BaseRepresentation
bin1101111000010000010100…
…10011001110001110000000
311000001200222221101000011112
412330020022103032032000
513000020342331312022
6144524442513502452
76300004160102645
oct674101223161600
9130050887330145
1030520210416512
1197a7604135613
12350b030871a28
13140507472825b
147772867c9dcc
1537dd79d8d8e2
hex1bc20a4ce380

30520210416512 has 16 divisors (see below), whose sum is σ = 60801981689400. Its totient is φ = 15260105208192.

The previous prime is 30520210416503. The next prime is 30520210416523. The reversal of 30520210416512 is 21561401202503.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×305202104165122 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119219571812 + ... + 119219572067.

Almost surely, 230520210416512 is an apocalyptic number.

30520210416512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30520210416512 is a deficient number, since it is larger than the sum of its proper divisors (30281771272888).

30520210416512 is an equidigital number, since it uses as much as digits as its factorization.

30520210416512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238439143893 (or 238439143881 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 30520210416512 in words is "thirty trillion, five hundred twenty billion, two hundred ten million, four hundred sixteen thousand, five hundred twelve".

Divisors: 1 2 4 8 16 32 64 128 238439143879 476878287758 953756575516 1907513151032 3815026302064 7630052604128 15260105208256 30520210416512