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145220222401311 = 31915156929652617
BaseRepresentation
bin100001000001001110110111…
…110001010011101100011111
3201001011220202222122210000010
4201001032313301103230133
5123013242003413320221
61232505125453534303
742405546326416401
oct4101166761235437
9631156688583003
10145220222401311
11422a9606731362
121435479a7a4393
13630529259a165
1427c09a67b0b71
1511bc7a06cec76
hex8413b7c53b1f

145220222401311 has 32 divisors (see below), whose sum is σ = 205528225881600. Its totient is φ = 90950503795200.

The previous prime is 145220222401301. The next prime is 145220222401321. The reversal of 145220222401311 is 113104222022541.

It is an interprime number because it is at equal distance from previous prime (145220222401301) and next prime (145220222401321).

It is not a de Polignac number, because 145220222401311 - 210 = 145220222400287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145220222401301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9928926 + ... + 19723691.

It is an arithmetic number, because the mean of its divisors is an integer number (6422757058800).

Almost surely, 2145220222401311 is an apocalyptic number.

145220222401311 is a deficient number, since it is larger than the sum of its proper divisors (60308003480289).

145220222401311 is a wasteful number, since it uses less digits than its factorization.

145220222401311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29653359.

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 145220222401311 its reverse (113104222022541), we get a palindrome (258324444423852).

The spelling of 145220222401311 in words is "one hundred forty-five trillion, two hundred twenty billion, two hundred twenty-two million, four hundred one thousand, three hundred eleven".

Divisors: 1 3 19 57 151 453 569 1707 2869 8607 10811 32433 85919 257757 1632461 4897383 29652617 88957851 563399723 1690199169 4477545167 13432635501 16872339073 50617017219 85073358173 255220074519 320574442387 961723327161 2547723200023 7643169600069 48406740800437 145220222401311