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1213422432005 = 57372339400601
BaseRepresentation
bin10001101010000101100…
…111001110111100000101
311022000001111101022012202
4101222011213032330011
5124340042120311010
62325234421524245
7153444511330610
oct21520547167405
94260044338182
101213422432005
11428678368a03
12177204873685
138a56b353374
1442a31017177
152186d2826a5
hex11a859cef05

1213422432005 has 32 divisors (see below), whose sum is σ = 1709833432320. Its totient is φ = 809224819200.

The previous prime is 1213422431971. The next prime is 1213422432011. The reversal of 1213422432005 is 5002342243121.

It is not a de Polignac number, because 1213422432005 - 222 = 1213418237701 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2828705 + ... + 3229305.

It is an arithmetic number, because the mean of its divisors is an integer number (53432294760).

Almost surely, 21213422432005 is an apocalyptic number.

It is an amenable number.

1213422432005 is a deficient number, since it is larger than the sum of its proper divisors (496411000315).

1213422432005 is a wasteful number, since it uses less digits than its factorization.

1213422432005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402989.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 1213422432005 its reverse (5002342243121), we get a palindrome (6215764675126).

The spelling of 1213422432005 in words is "one trillion, two hundred thirteen billion, four hundred twenty-two million, four hundred thirty-two thousand, five".

Divisors: 1 5 7 35 37 185 259 1295 2339 11695 16373 81865 86543 400601 432715 605801 2003005 2804207 3029005 14021035 14822237 74111185 103755659 518778295 937005739 4685028695 6559040173 32795200865 34669212343 173346061715 242684486401 1213422432005