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1202142102 = 23728622431
BaseRepresentation
bin100011110100111…
…0011101110010110
310002210001010221120
41013221303232112
54430222021402
6315142024410
741535016320
oct10751635626
93083033846
101202142102
1156763a177
12296718106
131620944b5
14b592a610
15708103bc
hex47a73b96

1202142102 has 16 divisors (see below), whose sum is σ = 2747753472. Its totient is φ = 343469160.

The previous prime is 1202142101. The next prime is 1202142107. The reversal of 1202142102 is 2012412021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202142101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14311174 + ... + 14311257.

It is an arithmetic number, because the mean of its divisors is an integer number (171734592).

Almost surely, 21202142102 is an apocalyptic number.

1202142102 is an abundant number, since it is smaller than the sum of its proper divisors (1545611370).

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

1202142102 is a wasteful number, since it uses less digits than its factorization.

1202142102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28622443.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1202142102 is about 34671.9209447645. The cubic root of 1202142102 is about 1063.2905052691.

Adding to 1202142102 its reverse (2012412021), we get a palindrome (3214554123).

The spelling of 1202142102 in words is "one billion, two hundred two million, one hundred forty-two thousand, one hundred two".

Divisors: 1 2 3 6 7 14 21 42 28622431 57244862 85867293 171734586 200357017 400714034 601071051 1202142102