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305513120001 = 33791289208457
BaseRepresentation
bin1000111001000100000…
…00000100000100000001
31002012120201211112121210
410130202000010010001
520001142324320001
6352203434240333
731033620446445
oct4344200040401
91065521745553
10305513120001
11108627211a21
124b2638860a9
1322a6b0872ab
1410b03412825
157e316c0dd6
hex4722004101

305513120001 has 16 divisors (see below), whose sum is σ = 408744446400. Its totient is φ = 202979443968.

The previous prime is 305513119999. The next prime is 305513120039. The reversal of 305513120001 is 100021315503.

It is not a de Polignac number, because 305513120001 - 21 = 305513119999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 305513120001.

It is not an unprimeable number, because it can be changed into a prime (305513120401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1361365 + ... + 1569821.

It is an arithmetic number, because the mean of its divisors is an integer number (25546527900).

Almost surely, 2305513120001 is an apocalyptic number.

It is an amenable number.

305513120001 is a deficient number, since it is larger than the sum of its proper divisors (103231326399).

305513120001 is a wasteful number, since it uses less digits than its factorization.

305513120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210128.

The product of its (nonzero) digits is 450, while the sum is 21.

Adding to 305513120001 its reverse (100021315503), we get a palindrome (405534435504).

The spelling of 305513120001 in words is "three hundred five billion, five hundred thirteen million, one hundred twenty thousand, one".

Divisors: 1 3 379 1137 1289 3867 208457 488531 625371 1465593 79005203 237015609 268701073 806103219 101837706667 305513120001