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1102142997 = 33174721087
BaseRepresentation
bin100000110110001…
…0101111000010101
32211210212122222000
41001230111320111
54224122033442
6301210425513
736212026614
oct10154257025
92753778860
101102142997
1151614938a
12269132299
13147451227
14a653987b
1566b5ad4c
hex41b15e15

1102142997 has 48 divisors (see below), whose sum is σ = 1768043520. Its totient is φ = 676204416.

The previous prime is 1102142989. The next prime is 1102143001. The reversal of 1102142997 is 7992412011.

It is not a de Polignac number, because 1102142997 - 23 = 1102142989 is a prime.

It is a super-2 number, since 2×11021429972 = 2429438371672284018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102142297) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1013388 + ... + 1014474.

It is an arithmetic number, because the mean of its divisors is an integer number (36834240).

Almost surely, 21102142997 is an apocalyptic number.

1102142997 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1102142997 is a deficient number, since it is larger than the sum of its proper divisors (665900523).

1102142997 is a wasteful number, since it uses less digits than its factorization.

1102142997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207 (or 1154 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 1102142997 is about 33198.5390793029. The cubic root of 1102142997 is about 1032.9500361150.

The spelling of 1102142997 in words is "one billion, one hundred two million, one hundred forty-two thousand, nine hundred ninety-seven".

Divisors: 1 3 9 17 27 47 51 141 153 423 459 799 1087 1269 2209 2397 3261 6627 7191 9783 18479 19881 21573 29349 37553 51089 55437 59643 112659 153267 166311 337977 459801 498933 868513 1013931 1379403 2401183 2605539 7203549 7816617 21610647 23449851 40820111 64831941 122460333 367380999 1102142997