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1102430042 = 271723919381
BaseRepresentation
bin100000110110101…
…1011111101011010
32211211102020201022
41001231123331122
54224210230132
6301220522442
736214333520
oct10155337532
92754366638
101102430042
1151632500a
12269250422
13147521a8c
14a65b2310
1566bb5e12
hex41b5bf5a

1102430042 has 32 divisors (see below), whose sum is σ = 2009525760. Its totient is φ = 442794240.

The previous prime is 1102430039. The next prime is 1102430047. The reversal of 1102430042 is 2400342011.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 1102430042.

It is not an unprimeable number, because it can be changed into a prime (1102430047) 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, 47192 + ... + 66572.

It is an arithmetic number, because the mean of its divisors is an integer number (62797680).

Almost surely, 21102430042 is an apocalyptic number.

1102430042 is a deficient number, since it is larger than the sum of its proper divisors (907095718).

1102430042 is a wasteful number, since it uses less digits than its factorization.

1102430042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19646.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1102430042 is about 33202.8619549580. The cubic root of 1102430042 is about 1033.0397030660.

Adding to 1102430042 its reverse (2400342011), we get a palindrome (3502772053).

The spelling of 1102430042 in words is "one billion, one hundred two million, four hundred thirty thousand, forty-two".

Divisors: 1 2 7 14 17 34 119 238 239 478 1673 3346 4063 8126 19381 28441 38762 56882 135667 271334 329477 658954 2306339 4612678 4632059 9264118 32424413 64848826 78745003 157490006 551215021 1102430042