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1200420034 = 211421129607
BaseRepresentation
bin100011110001100…
…1111010011000010
310002122210122201021
41013203033103002
54424301420114
6315041100054
741514254602
oct10743172302
93078718637
101200420034
11566673380
1229602762a
13161910718
14b55dcc02
15705c0024
hex478cf4c2

1200420034 has 16 divisors (see below), whose sum is σ = 1969004736. Its totient is φ = 544345200.

The previous prime is 1200420029. The next prime is 1200420059. The reversal of 1200420034 is 4300240021.

It is a super-2 number, since 2×12004200342 = 2882016516057122312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55542 + ... + 74065.

It is an arithmetic number, because the mean of its divisors is an integer number (123062796).

Almost surely, 21200420034 is an apocalyptic number.

1200420034 is a deficient number, since it is larger than the sum of its proper divisors (768584702).

1200420034 is a wasteful number, since it uses less digits than its factorization.

1200420034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130041.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1200420034 is about 34647.0782895182. The cubic root of 1200420034 is about 1062.7825415884.

Adding to 1200420034 its reverse (4300240021), we get a palindrome (5500660055).

The spelling of 1200420034 in words is "one billion, two hundred million, four hundred twenty thousand, thirty-four".

Divisors: 1 2 11 22 421 842 4631 9262 129607 259214 1425677 2851354 54564547 109129094 600210017 1200420034