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34130111421 = 3717223577743
BaseRepresentation
bin11111110010010100…
…000010101110111101
310021002120211022010210
4133302110002232331
51024344302031141
623402410423033
72315530106010
oct376224025675
9107076738123
1034130111421
111352461595a
126746131a79
1332abc40c03
14191ab8b377
15d4b500916
hex7f2502bbd

34130111421 has 64 divisors (see below), whose sum is σ = 55484448768. Its totient is φ = 18217156608.

The previous prime is 34130111419. The next prime is 34130111423. The reversal of 34130111421 is 12411103143.

It is an interprime number because it is at equal distance from previous prime (34130111419) and next prime (34130111423).

It is not a de Polignac number, because 34130111421 - 21 = 34130111419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34130111423) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 45935176 + ... + 45935918.

It is an arithmetic number, because the mean of its divisors is an integer number (866944512).

Almost surely, 234130111421 is an apocalyptic number.

It is an amenable number.

34130111421 is a deficient number, since it is larger than the sum of its proper divisors (21354337347).

34130111421 is a wasteful number, since it uses less digits than its factorization.

34130111421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 34130111421 its reverse (12411103143), we get a palindrome (46541214564).

The spelling of 34130111421 in words is "thirty-four billion, one hundred thirty million, one hundred eleven thousand, four hundred twenty-one".

Divisors: 1 3 7 17 21 51 119 223 357 577 669 743 1561 1731 2229 3791 4039 4683 5201 9809 11373 12117 12631 15603 26537 29427 37893 68663 79611 88417 128671 165689 205989 265251 386013 428711 497067 900697 1159823 1286133 2187407 2702091 2816713 3000977 3479469 6562221 7288087 8450139 9002931 15311849 19716991 21864261 45935547 51016609 59150973 95602553 153049827 286807659 669217871 1625243401 2007653613 4875730203 11376703807 34130111421