Search a number
-
+
30213012311234 = 215106506155617
BaseRepresentation
bin1101101111010100000111…
…10111011100110011000010
310221222100001202221100021122
412313222003313130303002
512430002222122424414
6144131355524152242
76235550416224524
oct667520367346302
9127870052840248
1030213012311234
1196992a2886285
12347b598838682
1313b20c855096c
147664636bda14
15375d9a7d2b8e
hex1b7a83ddccc2

30213012311234 has 4 divisors (see below), whose sum is σ = 45319518466854. Its totient is φ = 15106506155616.

The previous prime is 30213012311231. The next prime is 30213012311291. The reversal of 30213012311234 is 43211321031203.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23562529515625 + 6650482795609 = 4854125^2 + 2578853^2 .

It is a super-2 number, since 2×302130123112342 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30213012311231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7553253077807 + ... + 7553253077810.

Almost surely, 230213012311234 is an apocalyptic number.

30213012311234 is a deficient number, since it is larger than the sum of its proper divisors (15106506155620).

30213012311234 is a wasteful number, since it uses less digits than its factorization.

30213012311234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15106506155619.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 30213012311234 its reverse (43211321031203), we get a palindrome (73424333342437).

The spelling of 30213012311234 in words is "thirty trillion, two hundred thirteen billion, twelve million, three hundred eleven thousand, two hundred thirty-four".

Divisors: 1 2 15106506155617 30213012311234