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122621414707 = 1125639434783
BaseRepresentation
bin111001000110011001…
…1100100110100110011
3102201111200211021110001
41302030303210310303
54002112040232312
6132155334250431
711600446553611
oct1621463446463
9381450737401
10122621414707
1148004656860
121b9217b6a17
13b74231762c
145d135606b1
1532ca1b6057
hex1c8cce4d33

122621414707 has 8 divisors (see below), whose sum is σ = 133774341120. Its totient is φ = 111469409160.

The previous prime is 122621414659. The next prime is 122621414743. The reversal of 122621414707 is 707414126221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122621414707 - 219 = 122620890419 is a prime.

It is a super-2 number, since 2×1226214147072 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122621411707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64638 + ... + 499420.

It is an arithmetic number, because the mean of its divisors is an integer number (16721792640).

Almost surely, 2122621414707 is an apocalyptic number.

122621414707 is a deficient number, since it is larger than the sum of its proper divisors (11152926413).

122621414707 is a wasteful number, since it uses less digits than its factorization.

122621414707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460433.

The product of its (nonzero) digits is 37632, while the sum is 37.

The spelling of 122621414707 in words is "one hundred twenty-two billion, six hundred twenty-one million, four hundred fourteen thousand, seven hundred seven".

Divisors: 1 11 25639 282029 434783 4782613 11147401337 122621414707