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122140431221143 = 2712811603924193
BaseRepresentation
bin11011110001011000001001…
…000001000000000110010111
3121000110111210122202001212011
4123301120021001000012113
5112002122100343034033
61111434312310205051
734504232514316066
oct3361301101000627
9530414718661764
10122140431221143
1135a10514258a45
1211847773353787
13531ca409a636a
1422238b251c1dd
15e1c246133ccd
hex6f1609040197

122140431221143 has 8 divisors (see below), whose sum is σ = 123027401376576. Its totient is φ = 121256668915200.

The previous prime is 122140431221141. The next prime is 122140431221201. The reversal of 122140431221143 is 341122134041221.

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 122140431221143 - 21 = 122140431221141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122140431221141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 801885946 + ... + 802038247.

It is an arithmetic number, because the mean of its divisors is an integer number (15378425172072).

Almost surely, 2122140431221143 is an apocalyptic number.

122140431221143 is a deficient number, since it is larger than the sum of its proper divisors (886970155433).

122140431221143 is a wasteful number, since it uses less digits than its factorization.

122140431221143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603924745.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 122140431221143 its reverse (341122134041221), we get a palindrome (463262565262364).

The spelling of 122140431221143 in words is "one hundred twenty-two trillion, one hundred forty billion, four hundred thirty-one million, two hundred twenty-one thousand, one hundred forty-three".

Divisors: 1 271 281 76151 1603924193 434663456303 450702698233 122140431221143