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420111213101 = 19891571158141
BaseRepresentation
bin1100001110100001001…
…01000110001000101101
31111011101021100211221022
412013100211012020231
523340341432304401
6520555121143525
742231514251236
oct6072045061055
91434337324838
10420111213101
11152193911478
126950648aba5
1330802084538
141649515808d
15addc2d171b
hex61d094622d

420111213101 has 16 divisors (see below), whose sum is σ = 447478603200. Its totient is φ = 393275203200.

The previous prime is 420111213097. The next prime is 420111213131. The reversal of 420111213101 is 101312111024.

It is a cyclic number.

It is not a de Polignac number, because 420111213101 - 22 = 420111213097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420111213101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420111213131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2577491 + ... + 2735631.

It is an arithmetic number, because the mean of its divisors is an integer number (27967412700).

Almost surely, 2420111213101 is an apocalyptic number.

It is an amenable number.

420111213101 is a deficient number, since it is larger than the sum of its proper divisors (27367390099).

420111213101 is a wasteful number, since it uses less digits than its factorization.

420111213101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159820.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 420111213101 its reverse (101312111024), we get a palindrome (521423324125).

The spelling of 420111213101 in words is "four hundred twenty billion, one hundred eleven million, two hundred thirteen thousand, one hundred one".

Divisors: 1 19 89 1571 1691 29849 139819 158141 2656561 3004679 14074549 248439511 267416431 4720350709 22111116479 420111213101