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1310203434 = 23251869989
BaseRepresentation
bin100111000011000…
…0001111000101010
310101022101020020010
41032012001320222
510140403002214
6334002112350
744316355041
oct11606017052
93338336203
101310203434
11612637261
1230694b6b6
1317b59b307
14c6019558
157a058659
hex4e181e2a

1310203434 has 16 divisors (see below), whose sum is σ = 2630849760. Its totient is φ = 434994000.

The previous prime is 1310203423. The next prime is 1310203451. The reversal of 1310203434 is 4343020131.

It is a self number, because there is not a number n which added to its sum of digits gives 1310203434.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433489 + ... + 436500.

It is an arithmetic number, because the mean of its divisors is an integer number (164428110).

Almost surely, 21310203434 is an apocalyptic number.

1310203434 is an abundant number, since it is smaller than the sum of its proper divisors (1320646326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1310203434 is a wasteful number, since it uses less digits than its factorization.

1310203434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870245.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1310203434 is about 36196.7323663338. The cubic root of 1310203434 is about 1094.2408181939.

Adding to 1310203434 its reverse (4343020131), we get a palindrome (5653223565).

The spelling of 1310203434 in words is "one billion, three hundred ten million, two hundred three thousand, four hundred thirty-four".

Divisors: 1 2 3 6 251 502 753 1506 869989 1739978 2609967 5219934 218367239 436734478 655101717 1310203434