Search a number
-
+
30023002212000 = 2535371831195203
BaseRepresentation
bin1101101001110010001100…
…11000011100011010100000
310221022011121122102012100220
412310321012120130122200
512413344102031241000
6143504213220243040
76216042661100610
oct664710630343240
9127264548365326
1030023002212000
119625758061416
12344a7aa840480
13139a206ac4195
1475b19a292a40
15370e793c41a0
hex1b4e4661c6a0

30023002212000 has 384 divisors, whose sum is σ = 112468087001088. Its totient is φ = 6858617472000.

The previous prime is 30023002211959. The next prime is 30023002212023. The reversal of 30023002212000 is 21220032003.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 153706399 + ... + 153901601.

It is an arithmetic number, because the mean of its divisors is an integer number (292885643232).

Almost surely, 230023002212000 is an apocalyptic number.

30023002212000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30023002212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56234043500544).

30023002212000 is an abundant number, since it is smaller than the sum of its proper divisors (82445084789088).

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

30023002212000 is a wasteful number, since it uses less digits than its factorization.

30023002212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197069 (or 197051 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 30023002212000 its reverse (21220032003), we get a palindrome (30044222244003).

The spelling of 30023002212000 in words is "thirty trillion, twenty-three billion, two million, two hundred twelve thousand".